Series on letters
R, r
- Race Series
- Rahul Batra's Palace
- Rahul Batra's Sokoban
- Rally Round the Flag
- Razorflame Ice
- Razorflame Quest
- Razorflame River
- Razorflame Water World
- Reach the Middle
- Reaching the Middle
- Really E-Z
- Red October
- Red Snow
- Reductio ad Vexillum
- Reflection
- Rel Zzup
- Relaxation
- Rescue The Block
- Revenge of the Nerds
- Ric O Shay
- Ridiculous
- River Crossing
- River Labyrinth
- River's Lake
- Robit
- Rolling On The River
- Ron Ice Maze
- Rooms #n
- Rotary Mirrors Roman Number
- Roundabout
- Rush Hour
- Russia - Nuclear Factory