Mostly for personal reference

Good Tier

Domino - hold spacebar, fastest game
Biala Tetris - hold spacebar
Bounchy - 1/2/3 bounces then fail
Murfin Chase - collect 1 murfin then crash into the side
Rofling Gold - get 1/2/3 bags and let time run out
Pearl Skipping - can send score after 1 throw

Doable Tier

Mahjong - match 1/2/3 tiles and spam click hint button
Blackjack - win 1/2/3 hands and send score
Candy Cannon - hit 1 candy and miss 5 balls, full power shots fastest
Gumball Machine Madness - beat a different amount of levels then lose on purpose to send score, no idea how scoring works on this but usually fast