| Abstract strategy / connection | go, gomoku, chess, checkers | go-ugrad, gomoku-ugrad, chess-ugrad, checkers-ugrad |
| Race / tables / economics boards | backgammon, kobenhavn | backgammon-ugrad, kobenhavn-ugrad |
| Count-and-capture (mancala family) | mancala | mancala-ugrad |
| Hidden information / grids | battleship | battleship-ugrad |
| Arcade / telemetry shells | pong, snake, sportsfield, webgrid, rubiks, cupstack, dexterity, visualspeed | pong-ugrad, snake-ugrad, sports-field-ugrad, webgrid-ugrad, … |
| Cards & oracles | cards, blackjack, tarot, cartomancy, iching, hanafuda, mahjong | cards-ugrad, tarot-ugrad, hanafuda-ugrad, … |
| Training / drills | flashcards, mindmaze, memory, math, language, typing, calligraphy, robotics | …-ugrad |
| Meta / catalog | hub, arena, terminal-install, hub-monitor, go-monitor | games-ugrad-hub, arena-ugrad, games-ugrad-terminal, … |