Game Information
Show More
Provider
Kalamba Games
Type
Slots
Reels
5
Min Bet
0.5
Max Bet
40
Agent 51 Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Kalamba Games |
| Release Date | 2021-02-18 |
| Theme | Sci‑fi, Aliens, Secret Agent, Mystery |
| Layout | 5×3 |
| Paylines | 20 |
| Bet Range | 0.50–50 (currency units) |
| Core Mechanics | K‑Loops accumulation and expanding symbols, Free Spins with expanding symbol and UFO retriggers, HyperBonus buy feature with three tiers |
| Technology | HTML5, JS |
| Mobile compatibility | Optimized for desktop, tablet, mobile |
Mathematical & Payout Model
Return to Player (RTP)
96.17% (base), up to 96.73% via HyperBonus
Volatility
High
Max Win Potential
5593x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | alien footprints (various colors) | Provides small, frequent wins to maintain gameplay. |
| High Tier | alien characters (yellow, orange, purple, blue) | Highest paying symbols. Top hits available with full combinations. |
| Wild | Agent 51 wild/scatter | Acts as a substitute / feature trigger per game rules. |
Agent 51 Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| K‑Loops expanding symbols | Every 10th base‑game spin after accumulation | Accumulation symbols highlight pay symbols, which then expand on 10th spin, possibly with multipliers | ||
| Free Spins | Landing 3 Agent 51 wild/scatter symbols | 8 free spins | Random expanding symbol selected; UFO symbols award +2 spins; retriggers possible | |
| HyperBonus buy feature | Player chooses to buy bonus | Three tiers: 8 free spins (RTP ~96.59%), 10 free spins (~96.64%), 12 free spins (~96.73%) |
Frequently Asked Questions (FAQ)
| What is the RTP of Agent 51? | The base RTP is 96.17%, which can increase up to 96.73% when using the HyperBonus feature. |
| What is the maximum win? | The maximum win is 5,593× your stake. |
| How does the K‑Loops feature work? | Accumulation symbols highlight pay symbols during base game spins; on every 10th spin, those highlighted symbols become expanding symbols, sometimes with multipliers. |
| How do I trigger free spins? | Landing three Agent 51 wild/scatter symbols triggers 8 free spins; during free spins, UFO symbols award +2 spins and retriggers are possible. |
| Can I buy the bonus? | Yes, via the HyperBonus you can buy 8, 10, or 12 free spins with increasing RTP and multipliers. |
| What is the volatility? | The game is high volatility. |
| What are the betting limits? | You can bet between 0.50 and 50 per spin. |
| What is the theme of the game? | It’s a sci‑fi secret agent/alien mystery theme set in Agent 51’s office investigating extraterrestrial activity. |
Agent 51 Performance Summary: Strengths vs. Weaknesses
Strengths
- Unique K‑Loops mechanic adds excitement to base game
- High max win potential (5,593×)
- HyperBonus offers flexible access to bonus rounds
Weaknesses
- High volatility may deter casual players
- Mechanics can be complex for newcomers
Overview
Agent 51 is a sci‑fi/alien‑themed video slot by Kalamba Games featuring a 5×3 layout with 20 fixed paylines. It uses a unique K‑Loops mechanic in the base game, where accumulation symbols highlight and then expand every 10th spin, and includes a Free Spins bonus with expanding symbols, retriggers, UFO extra spins, and a HyperBonus buy feature.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
Latest posts by Rachel Pine (see all)
- 11 Best Drop and Wins Slots Everyone’s Playing Right Now (UK) - January 14, 2026
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025