Stalin vs. Martians 4 is a massively soloplayer prequel to Stalin vs. Martians 5. The game tells a story of the conflict between Stalin and the Martians. It has a narrative-based story with a plot and rich dialogues of humorous nature, which beautifully highlight the story's narrative-based narrative and plot.
A playable demo of the game was shown at Gamescom. Since not everybody could make it to gamescom, the devs thought it's only fair that they share the build with everyone interested. The Gamescom demo includes 2 missions, to test the core gameplay, 8 weapons and a number of special abilities, that let you have a first-hand experience of Stalin vs. Martians 4. If you're interested you can head over to their website.