Coins of Cosmic Critters Slot Review
by BetsoftReleased Dec 18, 2025
Free demo - play instantly in your browser
Space pets on 5 paylines with a simple Hold & Win and random Astro Pack trigger. Coin values up to 1,000x, three jackpot tiers. 3,937x max win with a 50x buy option.

Specifications
| Game Type | Slots |
|---|---|
| RTP | 96.39% |
| Volatility | Medium-High |
| Max Win | 3,937x |
| Grid | 5x3 |
| Paylines | 5 paylines |
| Min Bet | $0.2 |
| Max Bet | $75 |
Coins of Cosmic Critters Slot Overview
Coins of Cosmic Critters drops a crew of cartoon astronaut pets onto a tiny three-reel grid and hands the whole show to a coin-collecting Hold & Win. A grumpy space bulldog, a wide-eyed winged koala, a haloed cat, a goggle-eyed parrot in a helmet, all bouncing around a neon city at night while a red rocket fires off its launch pad beside the reels. It's Betsoft's space-pets entry in the long-running Coins of line, and it plays exactly like its siblings: a compact base game whose job is to feed you into the bonus.
The grid is small on purpose. Three reels, three rows, five fixed paylines, wins paid for three of a kind only. That keeps the base game modest and puts nearly all the weight on the gold paw-print coins, which lock cash values and fire the Hold & Win round. Two things lift it a notch above the barest Coins of games, though. A random Astro Pack can burst coins onto the grid mid-spin, and there's a buy button if you'd rather skip the wait.
Theme & Design
The art is bright, cheerful Betsoft 3D cartoon, and the critters carry it. The bulldog scowls and throws a punch, the koala flails with little angel wings, the cat grins under a halo, and the parrot pulls a startled face next to a thumbs-up dog in a spacesuit. Behind the metallic-blue reel frame sits a neon city skyline, a big pale moon, and a grassy, half-buried flying saucer parked on the left like it crashed years ago. The Wild is a red-and-silver rocket standing on its launch pad to the right, exhaust glowing warm orange against all the deep blue and purple. Jackpot plaques (Grand, Major, Minor, Mini) frame the top, and a coin cauldron sits above the middle reel. Paying symbols split into the four critters and a set of red, blue and purple crystals, all rendered with that glossy, kid-friendly sheen. It looks like a game a family could watch over your shoulder, which is clearly the point.
Symbols & Paytable
| Symbol | Payout |
|---|---|
| Rocket Wild | substitutes all regular symbolsthe red-and-silver rocket on the launch pad |
| Top critter | 10x for threepremium space-pet symbol |
| Mid critters | 5x / 3x for threethe other astronaut pets |
| High crystals | 2x / 1.6x / 1x for threecoloured gems |
| Low crystals | 0.6x / 0.4x / 0.2x for threelowest-paying gems |
| Gold Coin | holds a value from 1x up to 1,000x bettriggers the Hold & Win |
| Astro Bonus | awards a special prize in the bonusmust land on the middle reel to start the round |
Features & How They Work
Base game and the Rocket Wild
Five fixed lines across a 3x3 grid, three of a kind only. The rocket Wild stands in for any regular symbol to help complete a line, but there are no multipliers, no expanding reels, nothing fancy layered on top. Top symbol pays 10x for three, and it drops steeply from there, so line wins here are small change. The base game is a waiting room, not the main event.
Astro Pack
This is the hook that separates Cosmic Critters from the plainest Coins of games. On any base spin, at random, the Astro Pack can trigger and burst a load of treasure and coins onto the grid. It's not something you build toward or control, it just happens, and it gives the base game an occasional jolt instead of pure dead air between bonuses.
Hold & Win
The core round. Land three or more bonus symbols with at least one Astro Bonus on the middle reel and you drop into a Hold & Win with three respins. Each fresh coin that lands resets the counter back to three, and during the round only coins and blank spaces appear. Every coin locks in place holding a cash value, anywhere from 1x up to 1,000x your bet. The Astro Bonus symbol chips in special prizes while the round runs. Fill enough of the grid and the fixed jackpots come into play.
Four jackpots
Four fixed prizes ride along with the coin round: a small tier near 25x, Mini at 50x, Major at 150x, and Grand at 1,000x your bet. They're modest by Hold & Win standards, and the Grand is where the game's ceiling really lives rather than in the line pays.
Buy Bonus
Pay 50x your total stake and you go straight into the Hold & Win, skipping the base-game grind entirely. Worth noting because the two plainer siblings, Coins of Buffalo and Coins of Christmas, don't give you that option. If the coin round is the reason you're here, the buy gets you there directly.
Screenshots

How Coins of Cosmic Critters Plays
The base game runs dry, and it's meant to. On a three-reel, five-line board with three-of-a-kind pays only, most spins either miss or hand back a fraction of your bet, so the rhythm is a lot of small nudges while you watch the top of the reels for coins. High volatility means the swings can be sharp; a bad stretch feels genuinely quiet. Then the Astro Pack fires out of nowhere and coins scatter across the grid, and that random burst is what stops the base game feeling completely flat.
The bonus is where the game actually breathes. Once you're in Hold & Win the pace changes, every landing coin buys back respins and there's real tension in whether the grid keeps filling toward the Grand or stalls out one coin short. For my money the buy button is the honest way to play this one, since grinding a dry three-reeler for a random trigger can test your patience.
Pros & Cons
Pros
- Charming, genuinely family-friendly space-pets art with real cartoon appeal
- Random Astro Pack coin-burst gives the base game something the plainest siblings lack
- A 50x buy bonus lets you skip straight to the Hold & Win
Cons
- Tiny 3x3, five-line base game with small three-of-a-kind pays and a modest ceiling
- High volatility makes for long quiet stretches between features
- RTP is operator-dependent and some casinos run a much lower version
Is Coins of Cosmic Critters Worth Playing?
A cute, competent filler that sits a whisker above the barest Coins of games. The astronaut pets are charming, the Hold & Win with its Astro Bonus prizes is a solid familiar coin round, and the pairing of a random Astro Pack in the base game with a 50x buy means you're not stuck grinding for the feature. The default 96.39% RTP is fair. But this doesn't reinvent anything. It's another compact three-reel coin-collector with a roughly 5,000x cap and small jackpots, high volatility that bites, and an RTP some operators quietly drop to around 94%, so check the number before you load it. Pleasant, a little richer than average for the series, and nothing more.
Frequently Asked Questions
What is the maximum win on Coins of Cosmic Critters?
How do you trigger the Hold & Win bonus?
Is there a buy bonus feature?
What is the RTP of Coins of Cosmic Critters?
Is Coins of Cosmic Critters suitable for players under 18?

Reviewed by Arina, PR & Content Manager
PR & Content Manager at SlotsReach
Published 28 Jul 2026 · Updated 28 Jul 2026