Cubes 2 launched on February 25, 2021 and remains one of the most visually recognizable slots in Hacksaw's catalog: a minimalist blue-and-pink art direction, a grid of glowing cubes, and a stripped-back synthwave soundtrack. It's not the flashiest title on the market, but it's the only one whose grid expansion mechanic shows up nowhere else.
This article is a complete Cubes 2 review: a detailed breakdown of the 5x5-to-11x11 expansion, the two distinct bonus rounds (Regular FS vs Multi-Color), the fixed Color Blast Jackpots, the official RTP (96.30%), and where to play in 2026.
TL;DR — Cubes 2 in 4 points
- Hacksaw slot, February 2021, an expanding 5x5 to 11x11 grid running on cluster pays. RTP 96.30% on the high version.
- High volatility (4/5): less extreme than Wanted Dead or 2 Wild 2 Die. More accessible for small-to-medium budgets.
- 2 distinct bonus rounds: Regular FS (129x) with sticky clusters, or Multi-Color (109x) with fixed Color Blast Jackpots of 500x / 2,500x / 7,000x. Max win 10,500x.
- Availability: at most of the top-rated casinos in our comparison that carry Hacksaw. Top 5 picks: SpinAura, BetRiviera, MonacoJack, BigClash, Betti.
Why Cubes 2 remains a Hacksaw classic
Three concrete reasons:
- An exclusive grid expansion mechanic: no other Hacksaw cluster pays title has a grid that progressively grows with consecutive clusters. It's the game's signature mechanic.
- Fixed Color Blast Jackpots: 500x, 2,500x, 7,000x — concrete amounts, not vague RNG. The 7,000x is a tangible target every time you launch a Multi-Color Bonus.
- Cult art direction: minimalist, blue-and-pink, ASMR-like ambiance. You either love it or hate it — no in-between. For many Hacksaw fans from 2021-2024, Cubes 2's visual identity is what introduced them to the studio.
Mechanic breakdown — the grid expansion system
Base game (cluster pays on a 5x5 grid)
The starting grid is 5x5 running on cluster pays — wins form when 5+ matching symbols touch (vertically or horizontally). Cascading reels: every winning cluster disappears and drops new symbols in.
Cubes 2's signature: every winning cluster expands the grid by one row and one column. You go from 5x5 to 6x6 to 7x7, all the way up to a maximum of 11x11 across consecutive cascades. The bigger the grid gets, the bigger clusters can become — that's where the potentially huge hits happen.
Corner Multipliers (X symbols)
At the grid's 4 corners, X symbols display a multiplier equal to the size of the last winning cluster. On an 11x11 grid, a cluster of 25+ symbols can trigger an X at x25, x30 or more — a decisive boost on big hits.
Bonus 1 — Regular Free Spins (3 scatters, 129x bet)
- Trigger: 3 scatter symbols
- Mechanic: sticky winning clusters — winning clusters stay glued in place throughout the free spins, stacking up the corner X multipliers
- Profile: moderate variance, regular payout
Bonus 2 — Multi-Color Bonus (109x bet)
- Mechanic: access to the fixed Color Blast Jackpots (500x / 2,500x / 7,000x bet)
- Cost: 109x — cheaper than the Regular FS
- Profile: higher variance, but the 7,000x is a concrete, reachable amount
Bonus buy — which one to pick?
| Bonus | Cost | Expected RTP | Profile |
|---|---|---|---|
| Regular FS | 129x | ~96.30% | Sticky clusters, regular payout |
| Multi-Color Bonus | 109x | ~96.30% | Color Blast Jackpots 500x/2,500x/7,000x |
For most players: the Multi-Color Bonus offers the better ratio. It's cheaper (109x vs 129x) AND potentially more rewarding if you land the 7,000x.
Official RTP — 96.30% (check in-game)
| Version | RTP |
|---|---|
| High | 96.30% 🏆 |
| Degraded versions | possible depending on the casino |
Hacksaw protects its RTP at most serious partners, but check anyway: open the game → the "i" button in the bottom-left corner → look for "RTP." If you see 96.30%, you're on the high version.
Cubes 2 vs Stack'Em vs Hop'N'Pop — comparison
| Metric | Cubes 2 | Stack'Em | Hop'N'Pop |
|---|---|---|---|
| Release | February 2021 | May 2021 | June 2021 |
| Grid | 5x5 to 11x11 | 5x6 | 7x7 |
| Max win | 10,500x | 10,000x | 12,500x |
| Volatility | High (4/5) | Very high (5/5) | High (4/5) |
| Signature mechanic | Grid expansion + Color Blast Jackpots | Stacked reel multipliers | Progressive x2 Roaming Multipliers |
| Bonus buy | 109x / 129x | 129x | 100x / 200x / 400x |
| Best for | Minimalist fans + fixed jackpots | Tactical multiplier fans | Widest grid + highest max win |
Verdict: Cubes 2 if you want concrete targets (fixed Color Blast Jackpots) and softer variance. Stack'Em for the most tactical multiplier mechanic. Hop'N'Pop for the highest max win potential.
Strategies by budget
Small budget (under €200)
Cubes 2 is more accessible than Stack'Em or Wanted Dead thanks to its high-but-not-extreme volatility. Stick to the base game with bets of €0.20-€0.40. The progressive grid expansion gives smooth sessions without needing a bonus buy. One Multi-Color Bonus at 109x = €21.80 at €0.20/spin.
Medium budget (€500-€1,000)
Multi-Color Bonus at €0.40-€0.50 = €43.60-€54.50/buy. You can run 10-20 buys with €500-€1,000. The tangible target: landing the 7,000x Color Blast Jackpot (= €2,800-€3,500 at these bets). Statistically rare but possible.
Large budget (€2,000+)
Multi-Color Bonus at €1 = €109/buy. Chasing the 7,000x means a €7,000 payout. Recommended minimum: 15 buys to absorb the variance. Alternative: Regular FS at 129x for €1 = €129/buy with sticky clusters — softer variance.
Top 5 casinos to play Cubes 2 in 2026
🟢 1. SpinAura — #1 pick, 9.2/10
The top-ranked casino in our comparison. Confirmed Hacksaw catalog, Cubes 2 playable on the high RTP version. 100% package up to €2,000 + 200 FS, soft x35 wagering.
💎 2. BetRiviera — Record 8-minute withdrawal
BCE-ranked #2 casino for 2026 with a confirmed Hacksaw catalog. Cubes 2 available on the 96.30% RTP version. If you land a 7,000x Color Blast Jackpot, withdrawals were credited in 8 minutes in our field test.
🎰 3. MonacoJack — Premium pick
A premium casino with a confirmed Hacksaw catalog. Cubes 2 playable at 96.30% RTP. Responsive support, fast withdrawals — a good spot for chasing the fixed Multi-Color jackpots.
🔵 4. BigClash — Hacksaw + integrated sportsbook
An integrated sportsbook operator with a confirmed Hacksaw catalog. Cubes 2 available. Casino + sports welcome bonus, major esports in preview/live.
🔴 5. Betti — 150% bonus + Hacksaw
An integrated sportsbook operator with a confirmed Hacksaw catalog. Cubes 2 playable on the high version. 150% welcome bonus up to €750 + 150 FS, x35 wagering.
FAQ — Cubes 2
What is Cubes 2's RTP?
Official RTP on the high version: 96.30%. Degraded versions are possible depending on the casino. Check via the "i" button in-game.
Regular Free Spins or Multi-Color Bonus — which one to buy?
Regular FS (129x) = sticky winning clusters, the classic mechanic with grid expansion. Multi-Color Bonus (109x) = access to the fixed Color Blast Jackpots (500x, 2,500x, 7,000x) — cheaper AND potentially more rewarding if you land the 7,000x. For most players, the Multi-Color Bonus offers the better ratio.
How does the grid expansion work?
You start on a 5x5 grid. Every winning cluster expands the grid by one row and one column (5x5 → 6x6 → 7x7 → ... up to 11x11 max). The bigger the grid gets, the bigger future clusters can be. The 10,500x max win potential is reached mostly on 9x9-11x11 grids.
Cubes 2 or Stack'Em?
Both are 2021 Hacksaw cluster pays titles. Cubes 2 = high volatility (4/5), grid expansion + fixed Color Blast Jackpots — more accessible. Stack'Em = very high volatility (5/5), tactical stacked multipliers. To try Hacksaw with softer variance, go with Cubes 2.
Is Cubes 2 available at real-money casinos?
Yes, at most of the top-rated casinos in our comparison that carry Hacksaw Gaming.
🎰 For the full technical breakdown (mechanics, statistics, casinos that carry the slot), see our dedicated Cubes 2 slot page.
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