Guess the Flag vs Shadow OS
Neck and neck on boosts. Profiles, pricing and deals below.
Guess the Flag
Flag Guessing Game
community boosts
⚡ 0
pricing
Free
what it is
Play Guess the Flag, a free browser quiz that challenges you to identify countries by their flags. Test your geography knowledge instantly, with no download.
Shadow OS
Behavioral Insight from Your Real Decisions
community boosts
⚡ 0
pricing
Freemium
what it is
A behavioral insight app grounded in Jungian psychology. Shadow OS tracks your choices, your state, and what happens next — so you can see what keeps repeating.