# Questions tagged [tetris]

For questions about the game of Tetris, or puzzles which involve or relate to this game. Not for general puzzles involving tetrominoes, which may be tagged [polyomino] instead.

11 questions
Filter by
Sorted by
Tagged with
1k views

### Three Tetris Mini-Puzzles

Every man dog and millipede on the planet knows there are seven possible pieces in Tetris. In each of the following puzzles Joe Bloggs wants to achieve something specific within the first seven moves,...
285 views

### Let's Play Tetris!

Fill the whole grid with Tetrominos. Every cell must be part of exactly one Tetromino. Tetrominos can be rotated as necessary. The colored clue cells must be part of the indicated type of ...
401 views

### Is Oh Tetris Oh! always a draw?

Alice and Bob were playing Oh-Tetris-Oh!, when they decided that every game must be a draw (played intelligently). Can you prove this? (Oh yes, the rules: A $10\times10$ grid, you can pick any ...
2k views

### BOOM! Perfect Clear for Mr. T

In Tetris, Mr. T loves performing Perfect Clears, when a piece clears all lines in the playing field. As you might guess, when it comes to tetriminos, he has a personal favorite: the undeniably cutest ...
536 views

### BOOM! All Clear for Mr. T

In Tetris 99, Mr. T loves performing All Clears, which happen when a piece clears all lines in the playing field. Being a gentleman, he also tries to minimize the total damage he sends to his ...
365 views

### A Floating Row - Tetris Puzzle

It is possible to produce the following arrangement in a standard game of Tetris (if you happen to get the right order of pieces and you place them appropriately). Notice that all of the pieces are ...
1k views

### Building a Tetromino Tower [duplicate]

So, I just bought a Tetris Light like this one. With all 7 unique tetrominos, I can build a tower whatever I like and then turning them on at night to give me a good sleep, mm hm. (What a geek!) I ...
510 views

### Is it possible to make a game of Tetris un-winnable?

Here's a puzzle I've been thinking about for a while, but still don't have an answer to. Lets say a friend is playing Tetris, but instead of the computer picking pieces at random you get to choose ...
3k views

### Tiling with T-tetrominos in gravity

The goal is to tile all the white squares using T-tetrominos when there is gravity pulling the tetrominos downwards like regular tetris. The black squares are void and the ground is just below the ...
Is it possible to completely fill the infinite tetris field $\mathbb Z^2$ with tetrominoes such that no tetromino borders another one of the same type? Assume that two tetromiones border each other ...