Troika is a 1991 video game set published by Paragon Software, a collection of three games, "Metal Hearts", "Ivan's Time Machine", and "Rebel Planets".

All are structured in a reasonable, user-friendly way, with a save, password or stage select.

Yet, one cannot help but think that, even with three games in one, Troika may be an interesting product, but it doesn't come close to Tetris.

"[1] Game Players PC Strategy Guide said that "Despite the inevitable first impression that Troika is a rehash of tired game themes, its forgiving nature sets it apart from the crowd.

If you like arcade games but don't enjoy the usual attendant frustration, give Troika a try.