PICO-8 has 2 MB of Lua RAM (every Lua variable is 64 bits minimum so that's not a huge lot to play with). If the limitations feel too restricting, there's alway

PICO-8 has 2 MB of Lua RAM (every Lua variable is 64 bits minimum so that's not a huge lot to play with). If the limitations feel too restricting, there's always TIC-80. https://tic80.com/ https://tic80.com/