Tetris is a puzzle video game created by Alexey Pajitnov, a Soviet software engineer, in the mid-1980s. In Tetris, falling pieces consisting of four connected blocks, known as tetrominoes, must be sorted into a pile. (via Wikipedia)
The genre Tetris helped define
Falling-block puzzle. arranging falling tetrominoes under pressure: the archetype of the abstract puzzler.
The game mechanics of Tetris
Spatial ArrangementPuzzleSolution requires placing, rotating, or organizing tiles or objects in physical space according to a rule set.
Wave SpawningSimulationEnemies appear in scripted or procedural groups at intervals; surviving each wave is the primary challenge loop.
Time PressureNarrativeA countdown timer or depleting resource creates urgency and forces prioritization of actions within a session.
Each mechanic links to how to build it in Godot, with the retro games that share it.