- All Slots ›
- Microgaming ›
- Bolt X UP™
Bolt X UP (Microgaming) – Review & Demo Play
Bolt X UP from Microgaming play free demo version ▶ Casino Slot Review Bolt X UP ✔ Return (RTP) of online slots on July 2026 and play for real money✔
Bolt X UP Slot Overview
As an experienced player, I like that Bolt X UP steps down the aggression without gutting the maths. You get a 5x3 layout with 243 ways to win, medium volatility, and a top potential around 10,935x. The high voltage vibe works, even if the visuals sit behind the earlier entries. The X UP mechanic sets the tone in the base game, while expanding wilds that cover whole reels give regular hits a lift. I came in for the meter grind and stayed for the tidy balance of risk and reward.
Compared to the earlier X UP pair, this entry feels more casual, which suits longer sessions. The meter climb adds purpose to dead spins, and wild reels keep the board active between scatters. I noticed the game flows best when bets match your bankroll, as the token ladder can take a while to cap at 10x. If you want to shortcut the climb, there is an Upsizer route and a straight Buy Bonus where eligible, both fitting the series formula.
Bolt X UP in Casinos:
➡️ New Slot Sites List Updated: July 2026
➡️ Casinos are licensed and tested by independent gambling auditors eCOGRA ✅ iTech Labs ✅ Gaming Laboratories International
!!! Remember the rules of the Safe Gambling & Responsible Gaming – Casinos can cause Gambling addiction !!!
Pyramid Spin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Slots Charm
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Captain Marlin
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Libra Spins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Euphoriawins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Raptorwins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Scarabwins
- Good selection of games
- Casino accepts players from many countries
- Huge selection of game providers
- Live chat support is available 24/7
Bolt X UP RTP and Variance
Bolt X UP runs at 96.22% RTP on the default setting, with operators able to set other versions, so check the info panel where you play. Volatility sits in the middle, which fits the game's more forgiving feel compared with the heavier X UP titles. Hit patterns felt steady in my sessions, with enough base game activity from expanding wilds to keep the meter ticking. The headline 10,935x max win is trimmed versus the series highs, yet it remains decent for a medium-profile slot.
How to Play Bolt X UP
Set-up is quick. Tap the three-dot tab for paytable, rules, and options. Use the coin stack to choose stakes between 0.10 and 20.00 per spin; the paytable updates with your bet. The three-arrow circle handles autoplay, where you pick spin counts. The lightning button toggles fastplay. If you want to skip grind, eligible players can use Buy Bonus from the main screen. I prefer manual spins while building the X UP meter, then switching to quickplay once scatters start landing often.
Bolt X UP Symbols & Paytable
The lower-paying set covers 10, J, Q, K, and A. Premiums lean into classic fruit machine vibes: cherries, bells, BAR, red 7s, and stacked diamonds. Premiums land between 2x and 4x your bet for five-of-a-kind. The Wild symbol substitutes all regulars, expands to fill its reel on every appearance, and pays 4.5x for five. With wilds able to drop on all five reels, even modest sequences can swing, and a single expanding reel often completes multiple 243-way clusters.
Payouts map neatly to the bet ladder. Typical top-line values for five-of-a-kind are diamonds 4x, 7s 3x, BAR 2.8x, bells 2.5x, and cherries 2x, while lows sit at 1x to 2x across the royals. A full grid of expanding wilds delivers about 1,093x your stake, which is a satisfying ceiling for line-style hits outside features. With stakes from 0.10 to 20.00, the game suits casual spins and higher session plans alike, and the steady reel math keeps symbol values feeling consistent across runs.
Bolt X UP Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
 |
Scatter | |
| 3 | x2 | |
 |
Wild | |
| 5 | x4.5 | |
| 4 | x3 | |
| 3 | x1.5 | |
 |
5 | x4 |
| 4 | x2.5 | |
| 3 | x1.2 | |
 |
5 | x3 |
| 4 | x2 | |
| 3 | x1 | |
 |
5 | x2.8 |
| 4 | x1.8 | |
| 3 | x0.8 | |
 |
5 | x2.5 |
| 4 | x1.5 | |
| 3 | x0.7 | |
 |
5 | x2 |
| 4 | x1 | |
| 3 | x0.6 | |
 |
5 | x1.5 |
| 4 | x0.8 | |
| 3 | x0.5 | |
 |
5 | x1.5 |
| 4 | x0.7 | |
| 3 | x0.4 | |
 |
5 | x1.2 |
| 4 | x0.6 | |
| 3 | x0.3 | |
 |
5 | x1.2 |
| 4 | x0.5 | |
| 3 | x0.2 | |
 |
5 | x1 |
| 4 | x0.4 | |
| 3 | x0.2 | |
Bonus Features in Bolt X UP
The X UP Scatter drives the core loop. Any base spin with two scatters awards one token to the multiplier meter on the left. Each notch upgrades the free spins multiplier, climbing through 2x, 3x, 4x, 5x, 6x, 7x, 8x to 10x. Collecting 23 tokens fills the ladder and triggers free spins with a 10x starting multiplier. This creates a light grind that feels purposeful, as near-misses still feed progress towards a better bonus, and expanding wilds help bridge the gaps while you charge the meter.
The other route into the feature is the straight trigger. Land three scatters on reels 2, 3, and 4 for eight free spins. During the bonus, a pair of scatters on reels 2 and 4 adds two extra spins, and dual scatters continue to count for meter upgrades. The post-bonus state resets, putting you back at the base of the ladder for the next cycle. With multipliers active across the round, even medium hits can land tidy totals when the meter sits high.
Upsizer gives you the option to buy a higher free spins multiplier before the round begins, with the price scaled down by the tokens you have collected. Where eligible, a full Buy Bonus is available for 60x your stake, awarding eight free spins with a random starting multiplier between 1x and 10x. In the UK, Buy Bonus and similar options may not be accessible. I tend to use Upsizer only when the meter stalls around mid-levels and the price looks fair.
Useful guides
Free Spins No Deposit Not on GamStop (July 2026): Real Value Explained
How no deposit free spins at casinos not on GamStop really work: spin value maths, wagering and caps, the slots they run on, and how our team claims and tests them.
No Deposit Bonus Not on GamStop (July 2026): Free Spins & Cash Offers
Compare 7 tested non GamStop casino no deposit bonus offers: free cash from €5 to €50, 50 free spins, wagering maths and honest KYC facts. Updated July 2026.
Online Slots Sites (July 2026): 25,000+ Free Demos and 7 Tested Casinos
Online slots sites compared: 25,000+ free demos, every slot type from Megaways to Slingo, the new UK stake caps, and the 7 casinos we actually cashed out at.
Gallery of video and screenshots of the game
Other slots from Microgaming:
We have 418 slots from the provider Microgaming in our database. We recommend you check out other slots from Microgaming:
Other Casino Software Providers
We also have slot machines from other casino software providers in our database. Many of them can give you a whole new perspective on slots gambling
References
Our editorial team
All our content is written by our editorial team and checked before publication. We play the games ourselves, verify licences and withdrawal terms, and update every review as soon as something changes.
Under the supervision of Editor-in-Chief Mark Rylance