

Gameplay is top, is it challenging, varied and beatable?
Can you 1CC it, and get 40-50 minutes from that 1 credit?
Did it seem like the designers and programmers were interested and invested in producing a decent game?
Were their any hitbox fails or physics errors that cause massive annoyance? Skip.
Then graphics and sound quality can influence the choice.
–//–
1CC games========
Slap Fight
Willow
Wardner
Heavy Barrel
RoboCop
Wonder Boy in Monster Land
Black Tiger
Calibre .50
Gun Force
These all took about 30-50 minutes to complete on 1 credit.
Ubuntu minus the binary-blobs and corpo-junk = the good distro of Trisquel