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Level editor

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A level editor (also known as a map, campaign or scenario editor) is a <a href="Game_development_tool" title="Game development tool">game development tool</a> used to design <a href="Level_(video_games)" title="Level (video games)">levels</a>, maps, campaigns and <a href="Virtual_world" title="Virtual world">virtual worlds</a> for a <a href="Video_game" title="Video game">video game</a>. An individual involved with the development of game levels is a <a href="Level_designer" class="mw-redirect" title="Level designer">level designer</a> or mapper.

Official level editors are typically made to assist game development or to allow for greater player creativity, while <a href="Fan_labor" title="Fan labor">fan-made</a> editors are usually created for easier <a href="Video_game_modding" title="Video game modding">modding</a>. Level editors vary in complexity; editors used in game development are usually more difficult and extensive than those made with players in mind.<a href="#cite_note-:3-1">[1]</a>

Modern level editors often allow to upload created levels online and play other uploaded <a href="User-generated_content" title="User-generated content">user-made levels</a>.<a href="#cite_note-:0-2">[2]</a><a href="#cite_note-:2-3">[3]</a> Level editors often have a substantial effect on the game's longevity.

<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>

<a href="Lode_Runner" title="Lode Runner">Lode Runner</a> (1983) is one of the earliest examples of games with a level editor. The idea of a level editor was conceived due to a lack of programming experience of James Bratsanos, a friend of the game's lead programmer and designer <a href="Douglas_E._Smith" title="Douglas E. Smith">Douglas E. Smith</a>.<a href="#cite_note-4">[4]</a> In a 2010 interview, game designer <a href="John_Romero" title="John Romero">John Romero</a> claimed that Smith added the level-editing function at the request of neighborhood kids he had testing the game, and "a ton" of the levels they designed ended up in the final game.<a href="#cite_note-5">[5]</a> Other early level editors were featured in <a href="Dandy_(video_game)" title="Dandy (video game)">Dandy</a> (1983) and <a href="Excitebike" title="Excitebike">Excitebike</a> (1984).<a href="#cite_note-6">[6]</a>

<a href="Doom_(1993_video_game)" title="Doom (1993 video game)">Doom</a> (1993) became one of the first <a href="3D_computer_graphics" title="3D computer graphics">3D</a> games which became popular partially due to <a href="Third-party_software_component" title="Third-party software component">third-party</a> level editors, which led to the formation of an online community sharing fan-made <a href="Doom_modding" title="Doom modding">Doom mods</a>. Developer <a href="Id_Software" title="Id Software">id Software</a> embraced the modding scene, packaging mods TNT: Evilution and The Plutonia Experiment as an official expansion <a href="Final_Doom" title="Final Doom">Final Doom</a>,<a href="#cite_note-7">[7]</a> releasing Doom's <a href="Source_code" title="Source code">source code</a> under a <a href="Free_license" title="Free license">free license</a> for easier modding and <a href="Porting" title="Porting">porting</a>,<a href="#cite_note-8">[8]</a> and adding a built-in mod browser in Doom + Doom II, a remaster of the first two games.<a href="#cite_note-9">[9]</a> Since the popularity of Doom, other third-party level editors for various games were released, such as <a href="Quake_Army_Knife" title="Quake Army Knife">QuArK</a> for <a href="Quake_(video_game)" title="Quake (video game)">Quake</a>.

In 2008, <a href="LittleBigPlanet_(2008_video_game)" title="LittleBigPlanet (2008 video game)">LittleBigPlanet</a> was released, featuring a robust level editor and an ability to share levels online.<a href="#cite_note-note1-10">[note 1]</a> Unlike other games with a level editor, where it was featured as a side mode, the editor in LittleBigPlanet was the main selling point. The game was universally acclaimed for its amount of content and the unique approach to user-generated content.<a href="#cite_note-:0-2">[2]</a><a href="#cite_note-11">[10]</a><a href="#cite_note-12">[11]</a> Later games in the <a href="LittleBigPlanet" title="LittleBigPlanet">LittleBigPlanet series</a> expanded the formula, adding more features to the editor.<a href="#cite_note-13">[12]</a><a href="#cite_note-14">[13]</a>

Since the late <a href="2000s" title="2000s">2000s</a>, an increasing amount of games with a level editor also featured a way to share them online via in-game services or external dedicated websites, like <a href="Steam_Workshop" class="mw-redirect" title="Steam Workshop">Steam Workshop</a>. On these services, users are able to download other people's levels and, in some cases, <a href="Rating_scale" title="Rating scale">rate</a> them based on their perceived quality.<a href="#cite_note-15">[14]</a><a href="#cite_note-:1-16">[15]</a>

In 2015, Nintendo released <a href="Super_Mario_Maker" title="Super Mario Maker">Super Mario Maker</a>, another game with a level editor as the main focus of the game. The editor was designed to be accessible and easy to understand. Users could upload their levels online and play other people's levels, as well as vote for (<a href="Like_button" title="Like button">like</a>) or against (<a href="Booing" title="Booing">boo</a>) them.<a href="#cite_note-note2-17">[note 2]</a><a href="#cite_note-:1-16">[15]</a><a href="#cite_note-18">[16]</a> The level editor was praised for being intuitive and easy to understand, while still allowing to create unique levels.<a href="#cite_note-:2-3">[3]</a> Later games with level editors are often influenced by and compared to Super Mario Maker.<a href="#cite_note-19">[17]</a> In 2019, Nintendo released <a href="Super_Mario_Maker_2" title="Super Mario Maker 2">Super Mario Maker 2</a>, a sequel to the first game with even more features.<a href="#cite_note-20">[18]</a>

<div class="mw-heading mw-heading2"><h2 id="Characteristics">Characteristics</h2></div>

The developer of a video game may include built-in level editing tools; for example, a <a href="Race_track" title="Race track">track</a> editor for a <a href="Racing_game" title="Racing game">racing game</a>, or release an official level editor for the game as a separate application. In cases where the game doesn't have an official level editor, players of the game develop fan-made editors, such as <a href="Lunar_Magic" title="Lunar Magic">Lunar Magic</a> for <a href="Super_Mario_World" title="Super Mario World">Super Mario World</a>.<a href="#cite_note-21">[19]</a> Level editors are present extensively in video game integrated development environments, such as <a href="Godot_(game_engine)" title="Godot (game engine)">Godot</a>, <a href="Unity_(game_engine)" title="Unity (game engine)">Unity</a>, ot <a href="Unreal_Engine" title="Unreal Engine">Unreal Engine</a>.<a href="#cite_note-22">[20]</a>

Most in-game level editors impose object limits to prevent performance issues, <a href="Crash_(computing)" title="Crash (computing)">crashes</a>, and <a href="Exploit_(computer_security)" title="Exploit (computer security)">exploits</a>.<a href="#cite_note-23">[21]</a> This is especially prevalent in editors available on <a href="Video_game_console" title="Video game console">game consoles</a>, such as <a href="Halo_(franchise)" title="Halo (franchise)">Halo</a>'s <a href="Forge_(level_editor)" class="mw-redirect" title="Forge (level editor)">Forge</a>.<a href="#cite_note-24">[22]</a><a href="#cite_note-25">[23]</a><a href="#cite_note-26">[24]</a>

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</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:408px;max-width:408px"><div class="trow"><div class="tsingle" style="width:202px;max-width:202px"><div class="thumbimage"></div><div class="thumbcaption">OpenHV's top-down map editor is a simple to understand grid-based editor.</div></div><div class="tsingle" style="width:202px;max-width:202px"><div class="thumbimage"></div><div class="thumbcaption"><a href="Age_of_Empires_IV" title="Age of Empires IV">Age of Empires IV</a>'s level editor is significantly more complex, but gives user more options.</div></div></div></div></div>

The complexity of a game's level editor and the amount of available options given to the player are usually proportional. Simplified editors, such as <a href="Portal_2" title="Portal 2">Portal 2</a>'s built-in chamber editor, are more accessible and easy to understand to an average player, but offer limited creative freedom compared professional map development tools, such as <a href="Valve_Corporation" title="Valve Corporation">Valve</a>'s <a href="Hammer_Editor" class="mw-redirect" title="Hammer Editor">Hammer Editor</a>, which also comes with Portal 2 and requires significant expertise from the user.<a href="#cite_note-:3-1">[1]</a><a href="#cite_note-27">[25]</a>

While in most games level editors are an additional feature, certain games have the level editor as the main feature of the game, such as Super Mario Maker and LittleBigPlanet.<a href="#cite_note-:0-2">[2]</a><a href="#cite_note-:2-3">[3]</a> Some games, like <a href="Dreams_(video_game)" title="Dreams (video game)">Dreams</a> and <a href="Game_Builder_Garage" title="Game Builder Garage">Game Builder Garage</a>, allow users to make their own assets and develop custom logic, effectively functioning as <a href="Game_creation_system" title="Game creation system">game creation systems</a>.<a href="#cite_note-28">[26]</a><a href="#cite_note-29">[27]</a>

Most modern games with level editors allow creators to upload their levels online, which are then able be played by other people.<a href="#cite_note-:0-2">[2]</a> To upload a level, there is usually a requirement to beat the level beforehand, preventing impossible levels to be uploaded.<a href="#cite_note-:2-3">[3]</a>

<div class="mw-heading mw-heading3"><h3 id="2D_level_editors">2D level editors</h3></div>

Level editors in two-dimensional games typically feature a <a href="Square_tiling" title="Square tiling">square grid</a> on which level elements are placed.<a href="#cite_note-30">[28]</a> These editors often provide drag-and-drop functionality along with tools for deleting objects and adjusting their properties.<a href="#cite_note-31">[29]</a><a href="#cite_note-32">[30]</a> Similar to various <a href="Graphics_software" title="Graphics software">graphics software</a>, <a href="Layers_(digital_image_editing)" title="Layers (digital image editing)">layering</a> may also be used to separate overlapping objects.

<div class="mw-heading mw-heading3"><h3 id="3D_level_editors">3D level editors</h3></div>

<div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:378px;max-width:378px"><div class="trow"><div class="tsingle" style="width:202px;max-width:202px"><div class="thumbimage"></div><div class="thumbcaption">3D level editor for Spring with terrain <a href="Morph_target_animation" title="Morph target animation">morphing</a> features</div></div><div class="tsingle" style="width:172px;max-width:172px"><div class="thumbimage"></div><div class="thumbcaption"><a href="QuArK" class="mw-redirect" title="QuArK">QuArK</a> editor, showing three <a href="Orthographic_projection" title="Orthographic projection">orthographic projections</a> and 3D view</div></div></div></div></div>

Three-dimensional level editors are usually reserved for game development; user-friendly 3D editors are far less common, because of the increased complexity required to build in three dimensions, as well as to program such level editor. 3D editors typically have a <a href="Virtual_camera_system" title="Virtual camera system">virtual camera</a> that can be moved freely to view the level. Early 3D editors sometimes displayed <a href="Orthographic_projection" title="Orthographic projection">orthographic projections</a> of the level on each axis; this was used to precisely place <a href="Brush_(video_games)" title="Brush (video games)">brushes</a>.<a href="#cite_note-33">[31]</a>

<div class="mw-heading mw-heading2"><h2 id="Impact">Impact</h2></div>

The presence of a level editor in a video game can often increase its longevity and prolong the game's popularity. Various news sources report that Portal 2 continued to receive new community maps made in the game's chamber editor even after 13 years since the game's release in 2011.<a href="#cite_note-34">[32]</a><a href="#cite_note-35">[33]</a><a href="#cite_note-36">[34]</a> Released in 2013, <a href="Geometry_Dash" title="Geometry Dash">Geometry Dash</a> was a modest success at launch, but the game's community has been steadily growing since then, partly because of the online levels created by players.<a href="#cite_note-37">[35]</a> Super Mario Maker 2 has received over two million levels in the first eleven days after the game's release;<a href="#cite_note-38">[36]</a> this has then increased to 26 million by May 3, 2021.<a href="#cite_note-39">[37]</a>

<ul><li><a href="List_of_level_editors" title="List of level editors">List of level editors</a></li>

<li><a href="End-user_development" title="End-user development">End-user development</a></li>

<li><a href="Low-code_development_platform" title="Low-code development platform">Low-code development platform</a></li>

<li><a href="No-code_development_platform" title="No-code development platform">No-code development platform</a></li>

<li><a href="Video_game_modding" title="Video game modding">Video game modding</a></li>

<li><a href="Visual_programming_language" title="Visual programming language">Visual programming language</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2></div>

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<li id="cite_note-note1-10"><a href="#cite_ref-note1_10-0">^</a> The online servers for LittleBigPlanet have been shut down on September 13, 2021.

</li>

<li id="cite_note-note2-17"><a href="#cite_ref-note2_17-0">^</a> New levels could not be uploaded after March 31, 2021. Super Mario Maker's online services were shut down on April 8, 2024, making online levels inaccessible.

</li>

</ol></div></div>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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<div class="side-box-text plainlist">Wikimedia Commons has media related to <a href="https://commons.wikimedia.org/wiki/Category:Level_editors" class="extiw external" title="commons:Category:Level editors">Level editors</a>.</div></div>

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<li id="cite_note-20"><a href="#cite_ref-20">^</a> <cite id="CITEREFMacy2019" class="citation web cs1">Macy, Seth G. (2019-06-26). <a rel="nofollow" class="external text" href="https://www.ign.com/articles/2019/06/26/super-mario-maker-2-review">"Super Mario Maker 2 Review"</a>. IGN. Retrieved 2025-06-10.</cite>

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<li id="cite_note-22"><a href="#cite_ref-22">^</a> <cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://dev.epicgames.com/documentation/en-us/unreal-engine/level-editor-in-unreal-engine">"Level Editor in Unreal Engine | Unreal Engine 5.6 Documentation | Epic Developer Community"</a>. Epic Games Developer. Retrieved 2025-06-16.</cite>

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<li id="cite_note-24"><a href="#cite_ref-24">^</a> <cite id="CITEREFPriestman2020" class="citation news cs1">Priestman, Chris (2020-01-30). <a rel="nofollow" class="external text" href="https://www.pcgamer.com/halo-forge-on-pc-is-making-great-progress-gets-first-screenshot/">"Halo Forge on PC is making 'great progress,' gets first screenshot"</a>. PC Gamer. Retrieved 2025-06-11. <q>When Forge comes to PC it will have an expanded budget, meaning you can place many more objects in a single level than you used to be able to.</q></cite>

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<li id="cite_note-30"><a href="#cite_ref-30">^</a> <cite id="CITEREFDonlan2015" class="citation news cs1">Donlan, Christian (2015-09-11). <a rel="nofollow" class="external text" href="https://www.eurogamer.net/super-mario-maker-review">"Super Mario Maker review"</a>. Eurogamer.net. Retrieved 2025-06-16. <q>A graph paper grid allows for precision placement of landscape and enemies</q></cite>

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<li id="cite_note-31"><a href="#cite_ref-31">^</a> <cite id="CITEREFFrushtick2019" class="citation web cs1">Frushtick, Russ (2019-06-26). <a rel="nofollow" class="external text" href="https://www.polygon.com/reviews/2019/6/26/18758748/super-mario-maker-2-review-nintendo-switch">"Super Mario Maker 2 review: much more than a game design toolkit"</a>. Polygon. Retrieved 2025-06-16. <q>Creating new land is as simple as tapping the land icon and dragging across the screen. Enemies are easy, too: Just drag and drop.</q></cite>

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<li id="cite_note-33"><a href="#cite_ref-33">^</a> <cite id="CITEREFFinney2004" class="citation book cs1">Finney, Kenneth C. (2004). 3D game programming all in one. Course Technology PTR game development series. Boston, Mass: Thomson/Course Technology. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>978-1-59200-136-1</bdi>.</cite>

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<li id="cite_note-34"><a href="#cite_ref-34">^</a> <cite id="CITEREFLane2019" class="citation news cs1">Lane, Rick (2019-09-26). <a rel="nofollow" class="external text" href="https://www.pcgamer.com/the-best-player-made-portal-2-campaigns/">"The best player-made Portal 2 campaigns"</a>. PC Gamer. Retrieved 2025-06-11. <q>Since Portal 2 made its debut in April 2011, the community has designed more than half a million custom test-chambers, with dozens of new chambers being added every day.</q></cite>

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<li id="cite_note-35"><a href="#cite_ref-35">^</a> <cite id="CITEREFSmith2021" class="citation news cs1">Smith, Graham (2021-05-18). <a rel="nofollow" class="external text" href="https://www.rockpapershotgun.com/portal-2-update-lifts-steam-workshop-file-size-restrictions">"Portal 2 update lifts Steam Workshop file size restrictions"</a>. Rock, Paper, Shotgun. Retrieved 2025-06-11. <q>the game's community has responded by using those tools to create ten years of regular new puzzle rooms</q></cite>

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