Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Invented in 1984 by Russian coder Alexey Pajitnov, the game’s title came from “tetra” (meaning “four”, a nod to the blocks on screen) and “tennis” (one of Pajitnov’s favourite sports).