Aurum Codex

Aurum Codex slot poster
Rating
- /10
RTP
94.70%
Volatility
MEDIUM HIGH
Max win
4,131×
Hit freq
-
Grid
-
Bet
-
Released
2020-08-15
AlchemyGold ColorKeysMagicPaperSkull

A playable demo is not available in your region.

Our take

Medium-high volatility alchemy-themed 5×3 slot from Red Tiger with a 94.70% RTP and 4,131× max potential.

Aurum Codex explores ancient alchemy through a standard 5×3 grid populated by mystical symbols: keys, skulls, potion bottles, and arcane manuscripts. The game is thematically tight—every symbol reinforces the sorcery aesthetic without veering into cliché. Red Tiger Gaming's visual design is crisp and atmospheric, maintaining focus on gameplay rather than spectacle.

The medium-high volatility strikes a balance: wins aren't constant (34.05% hit frequency), but they're not rare enough to trigger extended frustration. The 4,131× max-win potential is modest by modern standards, capping upside for casual players whilst still offering meaningful targets for extended sessions. The RTP sits at 94.70% according to some sources, though conflicting data shows 95.77% in others—typical of slots where RTP varies by market or bet configuration.

Free spins feature locked wilds, a mechanic where special wild symbols remain frozen on the reels across consecutive spins, accumulating advantage. This design keeps bonus rounds engaging and rewards extended play within the feature. Symbol transformations add another layer; certain icons convert to higher-paying equivalents under specific conditions, creating win-multiplying moments. The 20-payline structure is straightforward and accessible to new players.

Pros

  • Alchemy theme is cohesive and visually strong
  • Locked wilds in free spins create escalating advantage
  • Symbol transformations add win-boosting moments
  • 34.05% hit frequency keeps engagement steady

Cons

  • 4,131× max win is conservative relative to modern slots
  • 94.70% RTP ranks below many competitors
  • Medium-high volatility may alienate low-variance seekers

Math & maxes

Math breakdown

Volatility score
3 / 5
Max win
4,131x the stake

Gameplay video

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FAQ
How do locked wilds function during free spins?

Wild symbols appearing during the bonus round remain locked in place for subsequent spins, accumulating and improving win odds.

What are symbol transformations?

Certain symbols convert to higher-paying icons when specific conditions are met, amplifying the value of winning combinations.

Is the RTP confirmed at 94.70% or 95.77%?

Red Tiger's official RTP varies by market and bet configuration. Check your operator's terms for the applicable rate.