Xibalba 64 is a new first-person shooter developed by PhobosLab and released physically by ModRetro in late July 2026. The $49.99 cartridge works with both the ModRetro M64 and original Nintendo 64 hardware.
Inspired by early 1990s shooters, the game sends players through high-tech facilities, catacombs and jungle environments in the Mayan underworld. Two players can play through the same levels as the single-player campaign together in local split-screen co-op, including the ability to revive a defeated partner.
The game also includes an Infestation survival mode for up to four local players and four-player split-screen Deathmatch.
Players: 1 to 4
Campaign co-op: 2-player local split-screen
Additional co-op: Up to 4 players in Infestation mode
Competitive multiplayer: 4-player split-screen Deathmatch
Hardware: Original Nintendo 64 and ModRetro M64
Format: Physical cartridge with instruction manual
Released: Late July 2026
Price: $49.99