The Daedalic 15th Anniversary bundle is quite good. There is only one tier for $13 which gets you $198 of games ($115 of games I don't own and run on my Mac).


Deponia ($1, Owned)
Chaos on Deponia ($2, Owned)
Goodbye Deponia ($2, Owned)
Deponia Doomsday ($2)

1954 Alcatraz ($10, Windows)
Anna's Quest ($2)
Blackguards ($10, Windows)
Blackguards 2 ($2, 32-bit)
The Dark Eye: Chains of Satinav ($2)
The Dark Eye: Memoria ($2)
Edna & Harvey: Harvey's New Eyes ($2)
Edna & Harvey: The Breakout ($15, Windows)
Fire: Ungh's Quest ($1, 32-bit)
The Long Journey Home ($30, Owned)
A New Beginning - Final Cut ($10, Owned)
The Night of the Rabbit ($20)
Silence ($20)
State of Mind ($30)
The Whispered World Special Edition ($20)
A Year of Rain ($15, Windows)


Still, these are mostly story games where you wander around solving puzzles to continue. Guess I'm not in the mood to buy this bundle.