Bolt X UP (Microgaming) – Review & Demo Play

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.

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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.

Bolt X UP review: our verdict

Bolt X UP trims the excess without losing the hook. The 243 ways framework, expanding wilds on all reels, and the X UP ladder give the base game shape, and the bonus lands with real bite once the multiplier climbs. The capped 10x ladder and 10,935x top win will not sway the high-risk crowd, yet the medium profile makes sessions smoother. Watch for adjustable RTP settings wherever you spin. For me, it’s the most relaxed X UP outing, but it still packs enough charge to keep me engaged.