ArxLibertatis VS SRB2

Otherwise there's Arx Fatalis which is pretty much a spiritual sequel to Ultima Underworld. The game is 21 years old, but with Arx Libertatis installed on top it still holds up really well.

Worth mentioning to get the Arx Libertatis engine.

Arx Libertatis - a cross-platform port of Arx Fatalis

Are you using Arx Libertatis? If not, you should, because that will solve that.

Just a note: you can get Arx Fatalis for free by downloading the demo on Steam and installing [Arx Libertatis](https://arx-libertatis.org/], a cross-platform port of Arx. It will run natively on the Steam Deck without Proton and the restrictions in the demo will not be there.

link to said patch

I love all of these games. One note, though: In order for Arx Fatalis to run you'll need to install the Arx Libertatis mod/fix: https://arx-libertatis.org/

Arx Fatalis (play with Arx Libertatisfan patch)

if you're a Sonic fan, you could play free games like Sonic Robo Blast 2 or Sonic and the Fallen Star which are great imo.

Sonic Robo Blast 2: https://www.srb2.org/

Godot does offer Constructive Solid Geometries that can be used for basic prototyping, and can be exported to Blender for additional work. https://docs.godotengine.org/en/stable/tutorials/3d/csg\_tools.html As an alternate engine, you could also consider Sonic Robo Blast 2 https://www.srb2.org/ as a possible engine to work in. Which has been stretched all the way into making a Kart Racer.

Here are a few free games I've played on my tv: C-Dogs SDL, Sonic Robo Blast 2

I would recommend Delta Touch (Doom engine ports), knights of the old republic 1 and 2 (both support mods on android), Sonic Robo Blast 2 (not on play store but at www.srb2.org ), Source Engine android port (portal, half-life 2, also not on play store but can easily be found by googling it)