Monster Mine on bajii is a tile-based strategy game where every click could double your money or end your round. Pick your risk level, start digging, and cash out before a monster blows up your run. The deeper you go, the bigger the multiplier — but the monsters are always lurking.
Monster Mine isn't just a luck game — there's real decision-making involved. Every tile you flip is a choice, and bajii built the game to reward players who understand risk and know when to walk away.
bajii gives you full control over how many monsters are hidden in the grid. Easy mode has just 3 monsters across 25 tiles. Insane mode packs in 24. The more monsters you choose, the higher the multiplier climbs with every safe tile you flip.
You're never forced to keep digging. After every safe tile, bajii shows your current multiplier and lets you cash out instantly. The payout goes straight to your wallet. Knowing when to stop is half the skill — and bajii makes it easy to act on that instinct.
Hidden in every grid is a rare Gold Gem tile. If you uncover it before cashing out, bajii applies an additional multiplier boost on top of your current payout. It doesn't appear in the same spot twice, so every round keeps you guessing where it might be.
Monster Mine on bajii is fully optimised for Android and iPhone. The 5×5 grid fits cleanly on any screen size, the tap response is instant, and the cash-out button is always within thumb reach. No app download needed — play straight from your browser.
Every time you flip a safe tile, bajii updates your multiplier in real time. You can see exactly what you'd win if you cashed out right now. The display also shows how many monsters remain hidden, so you can make informed decisions as the round progresses.
bajii uses a certified provably fair system for Monster Mine. Before each round starts, the monster positions are determined by a verifiable RNG seed. After the round ends, you can check the seed yourself to confirm the result was never manipulated. Full transparency, every game.
The number of monsters you hide in the grid determines how fast your multiplier grows. More monsters means higher risk and higher reward — pick the mode that matches your style.
Easy
3 monsters · 22 gems
Medium
8 monsters · 17 gems
Hard
15 monsters · 10 gems
Insane
24 monsters · 1 gem
These figures show the approximate multiplier after each safe tile revealed in Medium mode (8 monsters). Your actual multiplier depends on the risk mode selected and how many tiles remain.
| Gems Revealed | Multiplier | Example Payout (৳500 bet) |
|---|---|---|
| 1 gem | 1.35× | ৳675 |
| 3 gems | 2.10× | ৳1,050 |
| 5 gems | 3.80× | ৳1,900 |
| 8 gems | 8.40× | ৳4,200 |
| 10 gems | 14.20× | ৳7,100 |
| 13 gems | 28.50× | ৳14,250 |
| 15 gems | 48.00× | ৳24,000 |
| 17 gems (full clear) | 58.00× | ৳29,000 |
Monster Mine is one of the easiest games on bajii to pick up. You don't need any prior experience — just a bet, a risk mode, and the nerve to keep digging.
Register on bajii in under two minutes. Enter your mobile number, set a password, and you're in. New players receive a 100% welcome bonus on their first deposit — extra funds to start digging with from round one.
Choose how much you want to bet — minimum ৳20 — and pick your risk mode: Easy, Medium, Hard, or Insane. The mode determines how many monsters are hidden in the 5×5 grid and how fast your multiplier grows with each safe tile.
Click any tile to reveal what's underneath. A gem means your multiplier goes up and you keep going. A monster ends the round and your bet is lost. bajii shows your live multiplier after every safe flip so you always know exactly what you'd win right now.
Hit the cash-out button at any point after your first safe tile. bajii credits your winnings to your wallet instantly. Withdraw to bKash, Nagad, or Rocket the same day. Verified accounts typically receive withdrawals within a few hours.
Monster Mine is one of those games that looks simple from the outside but has a surprising amount of depth once you start playing. The concept is straightforward — you have a 5×5 grid, some tiles hide gems, some hide monsters, and you flip tiles one at a time trying to collect as many gems as possible before hitting a monster. But the decisions you make along the way — which risk mode to pick, how many tiles to flip before cashing out, whether to push for the Gold Gem — are what make Monster Mine genuinely engaging rather than just a random number generator dressed up with graphics.
bajii built Monster Mine with four distinct risk modes that fundamentally change how the game plays. Easy mode hides just 3 monsters across 25 tiles, which means the odds of hitting a safe tile on any given flip are very high. The multiplier grows slowly as a result — you're not going to hit 50x on Easy mode — but you can comfortably flip 15 or more tiles in a single round and walk away with a solid payout. It's the right mode for players who are new to Monster Mine or who prefer steady, lower-variance sessions.
Medium mode is where most regular bajii players spend their time. Eight monsters hidden across 25 tiles gives you a meaningful risk-reward balance. The multiplier climbs noticeably with each safe flip, and a full clear of all 17 gem tiles pays out at 58x your bet. In practice, most players cash out somewhere between 8 and 13 gems — the multiplier is already substantial at that point, and the risk of hitting a monster increases with every tile you flip. Medium mode rewards patience and discipline more than any other mode on bajii.
Hard mode and Insane mode are for players who want maximum multipliers and are comfortable with the reality that most rounds will end early. Hard mode packs 15 monsters into the grid, leaving only 10 safe tiles. The multiplier starts at 1.80x and can reach 120x if you clear all 10 gems — but the probability of hitting a monster on any given flip is over 60% once you've revealed a few tiles. Insane mode takes this to the extreme: 24 monsters and just 1 gem tile. If you flip that single gem, you win 200x your bet instantly. It's essentially a high-stakes single-tile bet, and bajii makes it available for players who want that kind of all-or-nothing action.
The Gold Gem is a feature that adds an extra layer of excitement to every round regardless of which mode you're playing. Somewhere in the grid, one tile hides a Gold Gem instead of a regular gem. If you uncover it, bajii applies a bonus multiplier on top of whatever your current payout would be. The Gold Gem position is randomised each round by the same RNG that determines monster placement, so there's no pattern to learn — it's a genuine bonus that can appear anywhere. Finding it mid-round when your multiplier is already high is one of the best feelings Monster Mine has to offer.
bajii's provably fair system for Monster Mine is worth understanding if you care about game integrity. Before each round begins, the server generates a seed that determines where every monster and the Gold Gem are placed. A hash of this seed is shown to you before you start flipping tiles. After the round ends, bajii reveals the full seed so you can verify that the hash matches and confirm the positions were set before you made any moves. This means bajii cannot change the monster positions mid-round based on where you're clicking — the outcome is locked in before the first tile is flipped.
For players in Bangladesh, Monster Mine on bajii fits naturally into how people like to play. Rounds are short — most last under a minute — so you can play a few rounds during a break or while waiting for something without committing to a long session. The minimum bet of ৳20 means you can play responsibly without putting significant money at risk, and the instant bKash and Nagad payouts mean your winnings are accessible the same day you earn them. bajii designed Monster Mine to be accessible to everyone, not just high rollers.
One practical tip for new Monster Mine players on bajii: start with Easy or Medium mode and focus on learning when to cash out rather than trying to maximise every round. The temptation to keep flipping is real — the multiplier keeps climbing and it always feels like the next tile might be safe. But the expected value of cashing out at a reasonable multiplier is almost always better than pushing for a full clear. bajii shows you the live multiplier and the number of remaining monsters after every flip, so use that information. The players who do well at Monster Mine over time are the ones who treat the cash-out button as a tool, not an afterthought.