OpenArena is a free and open-source video game, it is first-person shooter (FPS) and a video game clone of Quake III Arena. Developed by OA Team
License: Open Source
OpenArena offers a classic arena shooter experience with fast-paced gameplay and a focus on community, while Red Eclipse introduces unique mechanics like parkour and a more modern approach to graphics and gameplay. Both games are open-source and cater to specific gaming preferences, with OpenArena leaning towards traditional mechanics and Red Eclipse offering innovation.