Stellaris bundle has a good deal on this Paradox 4X space game, which I've never played. $15 for $98 of DLCs I don't own. But I don't even know if I'd like the game. Probably will skip.

$1 Level

Stellaris ($40, Owned)

$10 Level

Stellaris: Utopia ($20)
Stellaris: Plantoid ($8)
Stellaris: Leviathans ($10)

$15 Level

Stellaris: Synthetic Dawn ($10)
Stellaris: Apocalypse ($20)
Stellaris: Megacorp ($20)
Stellaris: Ancient Relics ($10)