LDtk vs Ultimate Doom Builder

LDtk9.0Visit UDUltimate Doom Builder8.5Visit

Higher score LDtk #3 in Game Level Editors 9.0/10 Free plan Free plan✓ 2 of 5 features Visit LDtk

vs

UD Ultimate Doom Builder #7 in Game Level Editors 8.5/10 Free plan Free plan✓ 2 of 5 features Visit the project

• LDtk fits best

  Structured 2D projects with broad engine support

• Ultimate Doom Builder fits best

  Doom-family mapping with terrain tools

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Side by side

Feature	LDtk 9.0/10 Visit ↗	UDUltimate Doom Builder 8.5/10 Visit ↗
At a glance
Editor score	9.0	8.5
Ranking	#3 in Game Level Editors	#7 in Game Level Editors
Best for	Structured 2D projects with broad engine support	Doom-family mapping with terrain tools
Pricing model	Free	Free
Starting price	Free	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows, Linux
Support	Email, Community, Docs	Community, Docs
Built for	Solo, Small business, Mid-market	Solo, Small business
Features LDtk 2/5 · Ultimate Doom Builder 2/5
Tilemap tools	✓ (best)	Not checked yet
Terrain tools	Not checked yet	✓ (best)
Entity placement	✓	✓
Prefab or template tools	Not checked yet	Not checked yet
Visual scripting	Not checked yet	Not checked yet
Specs
Level dimensions	2d	2d_and_3d
Our review
Pros	Free for commercial use with no hidden fee Tile, entity, auto-layer, and world-layout tools in one editor Documented JSON export with integrations across engines and languages	Combines 2D and visual 3D map editing modes Includes terrain, slope, and 3D-floor editing tools Supports scripting, analysis, entity placement, and texture browsing
Cons	Focused on 2D level creation rather than 3D production Desktop application for Windows, macOS, and Linux Engine workflows may require importers, APIs, or format integration	Linux support is described as experimental Focused on Doom-family games rather than broader level-editing needs Its desktop workflow may be more specialized than general-purpose editors
Our verdict	LDtk is a free, open-source desktop level editor for developers building 2D games. Its feature set covers tile-based painting, integer grid data, configurable entities with custom fields, automatic tile rendering, and world organization.… Read the review →	Ultimate Doom Builder is a free, open-source desktop map editor for Doom, Heretic, Hexen, Strife, and related ZDoom-family games. It is aimed at creators who need game-specific configuration support alongside classic 2D editing and a… Read the review →

Strengths and trade-offs

• LDtk — where it wins

  • Free for commercial use with no hidden fee
  • Tile, entity, auto-layer, and world-layout tools in one editor
  • Documented JSON export with integrations across engines and languages

  Where it doesn't

  • Focused on 2D level creation rather than 3D production
  • Desktop application for Windows, macOS, and Linux
  • Engine workflows may require importers, APIs, or format integration

• Ultimate Doom Builder — where it wins

  • Combines 2D and visual 3D map editing modes
  • Includes terrain, slope, and 3D-floor editing tools
  • Supports scripting, analysis, entity placement, and texture browsing

  Where it doesn't

  • Linux support is described as experimental
  • Focused on Doom-family games rather than broader level-editing needs
  • Its desktop workflow may be more specialized than general-purpose editors

• LDtk9.0/10 · Free plan

  A capable free editor for structured 2D levels across major engines and desktop platforms.

  Visit LDtkFull verdict →
• UDUltimate Doom Builder8.5/10 · Free plan

  A capable free editor for Doom-family maps, with visual 3D, terrain, and scripting tools.

  Visit the projectFull verdict →