joshi tm: Let's see what's left: all checkers variants, some chess variants, Alquerque, Cam(elot), all boats variants (trivial), all Pente variants, all Espionage variants, all Go variants (very hard to capture all your opponents pieces - OTOH, each player has an unlimited amount of stones, so perhaps Go doesn't qualify anyway), Jarmo, Tablut, Tank Battle, (Big) Jungle. Spider variants have the same issue as Go: it's possible, but very hard to eliminate all pieces from the board, but the number of pieces in the hand is unlimited.
(hide) Play a game in real time with an online opponent! For this to be possible, you and your opponent have to select the action "Move and stay here" as default and then reload the page with the F5 key! (TeamBundy) (show all tips)