Climbers

Kinda proto-platformers, being platformers without jumping, where the player completes a board by climbing ladders (and other things).

• 1980 Space Panic
• 1981 Apple Panic
• 1982 BurgerTime
• 1982 Super Mouse
• 1983 Mr. Do's Castle
• 1983 Otenba Becky no Daibouken (Tomboyish Becky's Large Adventure)
• 1983 Lode Runner

• platformers

Donkey Kong was released in 1981 and briges the gap between climber and platformer.

• Inventories: Platforming games before Super Mario Bros. 01 - HG101 video.