A bit more demanding giveaway, but still it will take just about 2 minutes
Simply go here: zde
Then follow instructions, you need to fulfill 7 of 11 tasks.
Fortunately 4 of them are just visiting the site.
I recommend to give 3 follows on Twitter.
Price on Steam: 2,99 Euro
Rating on Steam: 64%
Drop: 3 cards ( 21 cents profit)