game that i'll actually play
    match3 (3 bear)
    tetris
    qix
    tron
    arkanoid
    
80*25 64 colors realtime
you can handle this

6*6 sprite can jump 4 times its height in 24 row
and have room for 13 side by side on 80 columns
can also fits 40 columns. 6 wides

and background can be full bitmap