Early access to new patches and additional content is provided to supporters on Kredyn's Patreon . Quick Gameplay Guide
A limited public version (v1.4.0d) is available for free on itch.io , which allows you to test the gameplay before buying. Drain Mansion Free Download (v2.0.1)
To get the game legally and safely, you should use the official distribution channels: Early access to new patches and additional content
You can purchase the most up-to-date version (currently v2.0.4) for $14.99 on itch.io or Steam . Drain Mansion Free Download (v2.0.1)