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The Humble Weekly Bundle is for Slitherine titles.
Pay what you want ($1 minimum for Steam keys) for:
Conquest! Medieval Realms (DRM Free, Android)
Frontline: Road to Moscow (Steam)
Battle Academy (Steam)
Rise of Prussia Gold (Steam)
Pay $6 minimum for above plus:
Qvadriga (Steam)
Hell (Steam)
Pay $10 minimum for above plus:
Close Combat: Gateway to Caen (Steam)