The Humble Weekly Sale this week is for games from Kalypso Media where you can choose from two tiers of games for either $1 or $6.

Tier 1 consists of Tropico 3: Steam Special Edition, Sine More, Skydrift and Anna all for just $1. All games are Steam keys and for Windows, except Anna which also supports Linux and Mac.

Tier 2 includes all of tier 1 + Tropico 4: Special Steam Edition and Jagged Alliance: Back in Action all for $6.01. Both games include Steam keys and are Windows only.

All games are priced in US dollars and exclude tax. All games are digital downloads only

Remember anything you pay over the minimums can be donated to charity as well.