Free Game Dev Assets

Environment

20 sources · HDRI, terrain, geodata

Environment, 20 entries

Actueel Hoogtebestand Nederland (AHN)

needs-review · commercial ? · unknown

Dutch national height map built from airborne lidar, with raster grids (0.5 m and 5 m) and point clouds, downloadable per map sheet through PDOK. Excellent for flat polder and urban terrain. Marked needs-review: the A…

environmentGeoTIFFLAZ verified 2026-10-04 (29d ago)
Open source Entry and evidence

City Sample

needs-review · commercial OK · custom

Epic's free sample project showing how the city from The Matrix Awakens: An Unreal Engine 5 Experience was built: a full city with buildings, drivable vehicles and MetaHuman-based crowds, demonstrating World Partition…

environmentUnreal verified 2026-10-13 (20d ago)
Open source Entry and evidence

Copernicus DEM GLO-30

active · commercial OK · custom

Radar DSM ~30 m (TanDEM-X / WorldDEM lineage) via CDSE. Full, Free & Open licence for WorldDEM-30: free reproduction, distribution, public communication, and adaptation worldwide. Prefer over FABDEM (NC — high-risk).

environmentGeoTIFFCOGDTED verified 2026-08-25 (69d ago)
Open source Entry and evidence

Electric Dreams Env

active · commercial OK · custom UE only

Epic's free sample project from the Electric Dreams demo shown at GDC 2023 alongside Unreal Engine 5.2. It is a jungle environment built from a handful of Quixel Megascans assets and populated with the Procedural Cont…

environmentUnreal verified 2026-10-13 (20d ago)
Open source Entry and evidence

ESA WorldCover

active · commercial OK · CC-BY-4.0

10 m global land-cover maps (2020/2021) + annual Sentinel composites. Good for biome masks, foliage density, and procedural biome painting — not a heightmap.

environmentGeoTIFF verified 2026-08-24 (70d ago)
Open source Entry and evidence

ETOPO 2022 (NOAA)

active · commercial OK · CC0

NOAA global relief model integrating topo + bathy (15″ / 30″ / 60″; ice-surface and bedrock). Handy single grid for planet views and tsunami-style water sims. Not for navigation.

environmentGeoTIFFnetCDF verified 2026-08-24 (70d ago)
Open source Entry and evidence

GEBCO Grid

active · commercial OK · public-domain

Global ocean + land terrain model (~15″). Best free bathymetry source for undersea levels, coastal games, and planet-scale heightmaps. Not for navigation.

environmentnetCDFGeoTIFFASCII verified 2026-08-24 (70d ago)
Open source Entry and evidence

JAXA ALOS World 3D (AW3D30)

active · commercial OK · custom

Global ~30 m DSM from ALOS/PRISM. Free for commercial and non-commercial use under JAXA research-data terms — © JAXA credit required; notify JAXA in advance for commercial use. Optical DEM — cloud/snow voids possible.…

environmentGeoTIFF verified 2026-07-19 (106d ago)
Open source Entry and evidence

Microsoft Global Building Footprints

active · commercial OK · CDLA-Permissive-2.0

~1.4B ML-detected building footprints (many with height estimates) from Bing Maps imagery. Useful for city kits, proxy LOD0 buildings, and OSM gap-fill — not as a ToS-safe Google/Bing mesh scrape.

environmentGeoJSONCSV verified 2026-09-26 (37d ago)
Open source Entry and evidence

NASA Deep Star Maps 2020

needs-review · commercial ? · custom

Full-sky star map built from 1.7 billion stars (Hipparcos-2, Tycho-2, Gaia DR2), supplied as linear half-float OpenEXR in plate carree projection from 4k up to 64k wide. A strong source for a space skybox. Marked need…

environmentEXRTIFF verified 2026-10-04 (29d ago)
Open source Entry and evidence

NASADEM (LP DAAC)

active · commercial OK · CC0

~30 m global land DEM reprocessed from SRTM (+ ASTER/AW3D30 void fills). Strong default heightmap for continents when you want clearer voids than raw SRTM. Free Earthdata login for download.

environmentHGTGeoTIFF verified 2026-08-24 (70d ago)
Open source Entry and evidence

National Land Survey of Finland Elevation Model 2 m

active · commercial OK · CC-BY-4.0

Finnish national 2 m elevation grid from the National Land Survey (Maanmittauslaitos), released as open data under CC BY 4.0. Good for realistic northern lake, forest and fell terrain at a resolution far above the glo…

environmentGeoTIFFASCII verified 2026-10-04 (29d ago)
Open source Entry and evidence

Natural Earth

active · commercial OK · public-domain

Public-domain vector + raster map data at 1:10m / 1:50m / 1:110m (coastlines, admin, physical). Ideal for stylized world maps, UI globes, and low-detail terrain masks — not high-res heightfields.

environmentshapefileGeoTIFF verified 2026-08-24 (70d ago)
Open source Entry and evidence

Open HDRI

active · commercial OK · CC0

Second CC0 HDRI publisher besides Poly Haven. Real-world captured unclipped linear 32-bit EXRs (library claims up to 29K). Author Grzegorz Wronkowski also runs HDRMaps; this catalog uses the Open HDRI CC0 grant, not a…

environmentEXR verified 2026-08-29 (65d ago)
Open source Entry and evidence

OpenStreetMap

active · commercial OK · ODbL

Global geodata under ODbL. Compiled games are usually “Produced Works” (binary not copylefted); redistributing a modified database can trigger share-alike. Credit OSM contributors. Related converter: OSM2World.

environmentOSMPBF verified 2026-07-19 (106d ago)
Open source Entry and evidence

OpenTopography

active · per-file review · varies

NSF-backed portal for lidar point clouds and DEMs (US, global SRTM-class, country-wide 1 m sets). This is the access layer, not one license. Citations page: hosted data are "free of all copyright restrictions" and ava…

environmentGeoTIFFLASLAZ verified 2026-08-24 (70d ago)
Open source Entry and evidence

Overture Maps

needs-review · commercial ? · varies

Open map dataset (buildings, roads, places, administrative divisions, base land and water, addresses) conflated from many sources. It is convenient for generating city layouts, but there is no single licence: each the…

environmentGeoJSON verified 2026-10-04 (29d ago)
Open source Entry and evidence

Poly Haven

active · commercial OK · CC0

Photometrically oriented CC0 HDRIs (up to 8K), seamless PBR textures, and environment models. Top safe pick for IBL/sky lighting versus unmoderated aggregators.

environmentEXRHDRPNG verified 2026-07-19 (106d ago)
Open source Entry and evidence

swisstopo swissALTI3D

active · commercial OK · custom

High-precision bare-earth terrain model of Switzerland at 0.5 m or 2 m grid spacing, delivered in 1 km tiles. Alpine relief at this detail is rare in free data. It falls under swisstopo's open government data (OGD) te…

environmentCOGGeoTIFFASCII verified 2026-10-04 (29d ago)
Open source Entry and evidence

USGS EarthExplorer

active · commercial OK · public-domain

Official USGS/EROS portal for Landsat, SRTM, and other Earth archives. USGS-authored scientific content is U.S. public domain — strong source for SRTM/3DEP-style heightmaps and satellite textures. Expect GIS reproject…

environmentGeoTIFFDEMvarious verified 2026-08-24 (70d ago)
Open source Entry and evidence