freegames99

PC first-person tower defense. Hold the gate, build the killbox.

Free 2-player browser trivia — 18 categories, 180 fun facts from the 7 continents to space & beyond.

Free 2-player quiz on real-life skills: money, first aid, online safety & clear thinking.

Free 2-player philosophy quiz: 121 mind-bending questions on reality, simulation & free will.

2-player quiz game, knowledge game, and brain teaser