Six classic games including Tetris have been inscribed on the Bitcoin blockchain through the Ordinals inscription protocol
According to ChainCatcher news reported by Decrypt, the games currently inscribed on the Bitcoin blockchain by encrypted users through the Ordinals inscription protocol include: Super Nintendo Emulator Pizza Ninja; Pac-Man (Ordinals inscription number #189,058); Tetris (Ordinals inscription number #35,043,603); Doom (Ordinals inscription number #466); the text-based adventure game Zork (Ordinals inscription number #146); Snake (Ordinals inscription number #142).