Members from the Graphics Programming Discord have compiled together a trailer of games and graphics rendering technology that were created without the use of an off-the-shelf game engine. The GP-Direct video contains 21 different projects, made by various members of the community.
Check it out and see what can be created without a game engine.
https://www.youtube.com/watch?v=E07I1VRYlcg
These are the projects shown in the video:
The Powder Box. A 3D falling sand game.
Project MTP. A mysterious adventure game where you play as a cat who tries to understand the bizarre world.
Derby Heat. A high energy multiplayer game where you battle in cars with weapons.
Guiding Light. You’re a lighthouse keeper and a courier… at once, a casual time-management game.
C.L.A.S.H. A scavenger video game.
King's Crook . Software rendered RPG.
Project Ascendant. Open world procedural sandbox RPG in Vulkan.
A Short Odyssey. A Third-Person Action RPG where you, a shipwrecked sailor, explore a strange island.
Degine. HTML5 game engine.
Drag[en]gine. Free software cross platform game engine focusing on developing games faster, more modular and stable with true -1 day portability support.
L3D. 64 bit assembly software renderer.
Qemical Flood. General purpose real time 3D renderer using parametric surfaces rendered via raymarching for visualization.
Carrot Engine. Graphics Engine to learn about rendering techniques such as raytracing and virtual geometry, alongside engine architecture skills.
ERHE. C++ library for modern OpenGL experiments.
Lucre. Vulkan Game Engine.
Tramway SDK. It's a game engine, but instead of having good graphics, it runs on mediocre computers.
Planetary Terrain Noise Gen. Exploration of procedural generation using noise for planets.
RaZ . Modern & multiplatform 3D game engine in C++, with Lua scripting
GameKernel. Game engine written in rust.
RavEngine. A game engine by ravbug
P.E.T. A graphical lightweight expenses tracker made using Nuklear, and GLFW, with SQLite3 for the database, written in C.