KeeperRL Alpha22 is out! The update features a dedicated tutorial, as well as many technical and gameplay improvements. Check out the changelog below for details. If you would like to continue with your saved game from Alpha21, you can opt-in into the "Alpha21 save compatibility" BETA branch under the game's properties in Library. Make sure to opt-out of the branch to go back to Alpha22 when you're done!
Gameplay changes:

• Dedicated tutorial mode that teaches the game's basic features and controls.
• Saving and loading times, as well as save files sizes, decreased 2-3 times.
• Portals are available as a building, instead of a spell. They don't time out.
• All resource values, except mana, are deflated 5 times. (everything costs less, you extract less).
• Team members are woken up and untied when given a "go-to" order.
• Creatures will not give healing items to wounded friends who already have means of healing themselves.
• Ownership of an item by a minion is assumed when player equips the item in control mode.

• Added setting to disable vertical sync, which may solve some framerate issues.
• New, nicer research menu.
• Added descriptions to keeper-adventurer menu.
• Changed highlighting of various buttons and tab icons.
• Clicking on controlled creature skips turn.
• Added a simple movement animation of creatures when destroying objects, digging, and cutting trees.
• Window "close" button is highlighted.
• Swapped storage colors. Equipment is now blue, resources green.

• Fixed UI crash when changing minion's task.
• Fix drowning of flying creatures that enter deep water that is in forbidden zone.
• Fixed mouse navigation to enemies that are far away when in control mode.
• Fixed crash in item pick up menu.
• Made message boards work even if statistics gathering is not enabled in the settings.
• Fixed movement animation glitch when using mouse and being interrupted by enemy.
• Fix UI crashes involving workshops and minion equipment menu.
• Fixed tooltips in workshop menu.
• Fix scrolling inventory in control mode.
• Fixed game speed dialog glitch.
• Removed useless "execution" task.