Score games like 140, Gang Beasts, and Everything. Plus, your purchase can support Extra Life and/or a charity of your choice, so you can pay what you want and pay it forward, too.
Pay what you want:
Mountain
Very Positive
88% of the 9918 user reviews on Steam are positive.
140
Very Positive
94% of the 1508 user reviews on Steam are positive.
THOTH
Very Positive
86% of the 90 user reviews on Steam are positive.
Pay more than the average:
GNOG
Very Positive
94% of the 78 user reviews on Steam are positive.
Escape Goat 2
Very Positive
95% of the 157 user reviews on Steam are positive.
Pay $10 (about AU$13.91) or more to also unlock:
Gang Beasts
Mixed
69% of the 15856 user reviews on Steam are positive.
Everything
Very Positive
84% of the 1627 user reviews on Steam are positive.
See also for FREE Humble exclusives for World of Warships:
Free tier contains:
US. Cruiser St. Louis
200 doublons (premium currency)
Humble Bundle Flag
10x Humble Bundle Camouflage
3 Days of Premium Account
Sadly the only game worth getting in that bundle is arguably Gang Beasts - hence the BTA being over US $7 already.
Honestly, it's a fairly lacklustre bundle at this pricing IMHO.