Since Freedoom is not a game engine multiple game engines are used here to showcase it. The Chocolate Doom screenshots are based on 320x200 rendering output, scaled losslessly to 1600x1200 for an authentic 1990s FPS feel with crisp pixels. The GZDoom screenshots can be whatever settings the screenshot-taker wants (e.g., setting gl_texture_filter to 6 to un-blur nearby sprite and texture pixels), though the thumbnails will be cropped to 320x240 to match the Chocolate.
Phase 1
The following screenshots are from Freedoom: Phase 1 on Chocolate Doom:
The following screenshots are from Freedoom: Phase 1 on GZDoom:
Phase 2
The following screenshots are from Freedoom: Phase 2 on Chocolate Doom:
The following screenshots are from Freedoom: Phase 2 on GZDoom:
FreeDM
The following screenshots are from FreeDM on Chocolate Doom:
The following screenshots are from FreeDM on GZDoom:
Copyright licenses for these screenshots
These screenshots are all available for reuse under the same license as Freedoom itself, which may be found at COPYING.adoc (COPYING.txt in compiled zip files) in the Freedoom source tree.
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