When I visited Bulgaria, someone taught me a game, he called “kabum” ( not sure if that's how you write it).
- 2 or more players.
- each player receives 4 cards faced down and need to arrange them in a formation to last till the end of the game ( side by side...). Everyone can only look at 1 of their cards and then return it to the same position.
Each card has a value (A=0, 2=2...,J=-1,Q=12,K=1) and the objective of the game is to finish with the minimum amount of points. When you have 5 points or less you can say Kabum to start the last round.
When you buy a card you can either discard or substitute it with one of your own, placing it in the same position, that way you can start knowing your cards.
Some cards have some powers when you discard:
- Cards with 7: You can look at one of your cards
- Cards with 8: Look at one of your opponents cards
- Cards with 9: Exchange cards with someone without looking
- Cards with 10: Look at one card and change it
I believe these rules must vary.
But that the game:
- Less points
- Same position always faced down
- Change cards
There are more rules but I believe this is enough to someone that knows the game to identify it.