
Flag Fall
Hidden-information multiplayer strategy game
Outthink your opponent, uncover hidden ranks and capture the flag in a tactical battle of deduction and strategy.
- Web
- Facebook Instant Games
Planet 221B is an independent game studio. We create games for mobile, PC and browser.
Real games, new worlds, and more to come.

Hidden-information multiplayer strategy game
Outthink your opponent, uncover hidden ranks and capture the flag in a tactical battle of deduction and strategy.

3D exploration and mining adventure
Descend beneath the surface, discover strange underground worlds, recover valuable resources and upgrade your equipment for the next expedition.

2048-style merge puzzle
Move tiles, merge matching numbers, and set off chain reactions. Use boosters to reach higher values and grow a magical garden as you progress.

Bluffing dice game
Place bids, read your opponents, and call their bluff at the right moment. Stay in the game to become the last player at the table.

Cozy tile-matching puzzle
Find matching household items, collect groups of three tiles, and complete levels. Use boosters, discover new items for your collection, and enjoy a cozy home with a friendly cat.

Reaction-based arcade game
Catch playful creatures, build combos, and avoid toothy enemies. Clear levels, defeat bosses, use boosters, and unlock new skins and visual effects.

3D memory puzzle
Jump across floating platforms, memorize the hidden path, and reach the golden center without falling. Explore three unique arenas — Square, Hexa, and Circle — or challenge an AI opponent.

Strategic ring puzzle
Place rings of different sizes on a 3×3 board, covering smaller rings to change the game. Be the first to line up three visible rings of your color.

Dice-driven strategy game
Roll two dice to reveal available cells on a 6×6 board. Place or capture chips, use boosters, and form an unbroken line of three before your opponent.

Arcade action game
Destroy out-of-control geometric cores in Precision Shot and Bounce Rush. Collect bonuses, build combos, and deploy the Emergency Slipper when the lab needs it most.
We make games for mobile, PC and browser.
Planet 221B is an independent game studio. We design and build our own games for mobile, PC and browser.
The open door on our planet is an invitation. Each game is a small world of its own, made to be easy to step into.
Questions, feedback or ideas about our games? Write to us by email or send a message on Facebook.