01 / COMPETE
Play trivia and win cash prizes
Answer questions, improve your score and compete for top ranks. Check an approved prize and its status in your in-game cash wallet.
Trivia rounds · Leaderboards · Cash walletTrivia competitions · cash prizes
Play the game.
Win cash prizes.
Answer trivia questions and compete for cash prizes. Invite new players with your referral code and earn commission on their eligible in-game purchases.
Cash prizesCompete for a top rank
Your invite codeEarn on eligible purchases
Cash prizesCompete and follow your result
Referral commissionOn eligible in-game purchases
Trivia competitionsChoose a topic you enjoy
Two ways to earn in the game
Play for prizes.
Invite friends for commission.
SinJim is more than points and leaderboards. Compete in prize-eligible rounds, then share your referral code and follow commissions from eligible purchases by invited players.
02 / INVITE
Invite players and earn commission
Share your referral code. Earn a percentage on eligible purchases made by players you introduce, based on the current in-game rate and terms.
Personal invite code · Eligible purchasesPrize amounts, referral rates, eligibility and withdrawal terms are shown in the game. No specific win or income is guaranteed.
For curious minds
A new challenge each round
SinJim combines trivia, cash-prize competitions, player referrals and game progress. Jump in and see what you know.
Explore quiz categories
Choose a topic you like, from culture and arts to science, technology and sports.
CultureScienceSportsHistory
Play against the clock
Stay focused, answer each question and see your round results.
Follow the leaderboard
Track player rankings and work toward a better place on the board.
Missions and progress
Complete missions, collect points and keep moving through the game.
Take a closer look
Explore the SinJim world
Jump straight into the game. Browse its screens, categories and competition details in the app.
Game homeCompetition and shortcuts
Pick a categoryStart with a topic you like
Game storeWheel and offers
Easy to start
From the first question to your rewards
Install the game, compete and invite new players if you choose.
Get the game- 01
Download SinJim
Choose Cafe Bazaar, Myket, Google Play or the direct APK.
- 02
Choose a round and play
Pick a topic, answer the questions and compete for a better rank.
- 03
Follow prizes in your wallet
See the approved prize and its status in the in-game cash wallet.
- 04
Invite friends for commission
Share your code and track eligible referral purchases in the game.
Ready when you are
Play trivia.
Compete for prizes.
Download SinJim for Android, enter a competition and explore the referral program in the game.
The direct file is the signed Cafe Bazaar Android build. In-app purchases may depend on the store you use.
Verify the download (SHA-256)
f105bf7343b13a23d0c372b37902fa0ab92f4302250798558bfe1254da0a2d43Quick answers
Got a question?
Start here.
For other questions, contact the team through in-game support.
What kind of game is SinJim?
SinJim is a Persian trivia competition game for Android. Answer questions across different categories, earn points and follow your results.
How do I install SinJim?
Open its page on Cafe Bazaar or Myket, or download the direct APK from this site. For an APK, Android may ask you to allow installation from the selected source.
Is the game free to download?
The game is free to download. Some in-game items or features may require a purchase; check the price and terms shown by your store before confirming.
How can I win a cash prize?
Enter prize-eligible competitions and compete for a top rank. The prize and its status appear in your cash wallet after the round is finalized and eligibility is confirmed. No particular result or amount is guaranteed.
How does referral commission work?
Share your personal code with new players. Commission applies to eligible purchases by players you refer; check the current rate and calculation terms in the referral section of the game.
How do I withdraw a prize or commission?
Check your in-game cash wallet for the available balance, minimum withdrawal and request status. The game shows the current withdrawal requirements.
Is the direct APK safe?
This site provides the signed Cafe Bazaar Android build, version 1.0.13, from the official SinJim domain. You can also choose a store listing instead.
Which devices are supported?
The current release is for Android devices. Check the game page in your chosen store for the minimum supported Android version.
Play for prizes. Invite friends and earn commission.Check the current competition and referral terms in SinJim.
Get the game