The Lost Vikings is a 1992 Super NES game from Silicon & Synapse, catalogued here for 7 defining game mechanics.
Super NES1992Complexity 50/1002D SideCult classic
The Lost Vikings is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. (via Wikipedia)
The genre The Lost Vikings helped define
Puzzle-platformer. Single-screen puzzles solved by swapping three characters with distinct abilities.
The game mechanics of The Lost Vikings
Free 2D MovementTraversalPlayer moves freely in 2D space with no forced scroll; camera follows player position.
Contact DamageCombatTouching an enemy or environmental hazard deals damage to the player without any explicit attack trigger from either party.
Lives SystemResourcePlayer has a finite number of attempts; losing all lives resets progress to a defined point or ends the game.
Key LockProgressionA specific named item in inventory unlocks a specific named obstacle in a one-to-one correspondence; item is consumed.
Environmental PuzzlePuzzleSolution requires interacting with fixed world objects in a specific sequence or configuration.
Spatial ArrangementPuzzleSolution requires placing, rotating, or organizing tiles or objects in physical space according to a rule set.
Linear LevelsWorldWorld consists of discrete stages played in a fixed sequence; stages are self-contained with no backtracking between them.
Each mechanic links to how to build it in Godot, with the retro games that share it.