Birthday! Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | ELK Studios |
| Release Date | 2018-05-23 |
| Theme | Party, Birthday, Bar, ELK Studios characters |
| Layout | 5 reels × 4 rows |
| Paylines | 178 |
| Bet Range | 0.10–50 |
| Core Mechanics | Happy Spins (random respin features by guest characters), Free Spins (Maggie grants 10 free spins, retriggerable), Walking Wilds, Sticky Wilds, Multiple betting strategies |
| Technology | HTML5 |
| Mobile compatibility | Playable on desktop and mobile |
Mathematical & Payout Model
Return to Player (RTP)
96.30%
Volatility
Medium To High
Max Win Potential
5000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | Green Balloon, Blue Balloon, Red Balloon | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Cocktail, Rose | Thematic items offering moderate payouts. |
| High Tier | Birthday! logo | Highest paying symbols. Top hits available with full combinations. |
| Wild | Birthday cake wild, Present wild, Golden present wild | Acts as a substitute / feature trigger per game rules. |
Birthday! Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Happy Spins | Randomly when doorbell rings | Respin until condition met (e.g. wins, symbol, 15× stake) | Different guest characters bring different respin rules | |
| Free Spins | Maggie appears | 10 free spins | Free spins with retrigger possible | Can retrigger indefinitely |
| Walking Wilds | During Happy Spins or base game (via Soundtech Blooper) | Wilds move one reel left each respin | Up to 3 walking wilds | |
| Sticky Wilds | During Happy Spins or via Soundtech Blooper | Wilds stay in place during respins/free spins | Up to 3 sticky wilds |
Frequently Asked Questions (FAQ)
| What is the RTP of Birthday!? | The RTP is 96.3%. |
| What is the maximum win multiplier? | You can win up to 5000× your stake. |
| What are Happy Spins? | Random respin features triggered by guest characters, each with unique rules. |
| How do free spins work? | Maggie triggers 10 free spins, and if she appears again during the feature, you get another 10. |
| What wild types are in the game? | There are walking wilds that move left each respin and sticky wilds that stay in place. |
| What is the betting range? | You can bet from 0.10 to 50 per spin, with optional betting strategies. |
| When was the game released? | It was released on May 23, 2018. |
Birthday! Performance Summary: Strengths vs. Weaknesses
Strengths
- Unique character‑based bonus features
- High max win potential (5000×)
- Engaging party theme with vibrant visuals
- Mobile‑friendly HTML5 design
Weaknesses
- Medium‑high volatility may deter low‑risk players
- Hit frequency not very high (features can be rare)
Overview
Birthday! is a festive 5‑reel, 4‑row slot by ELK Studios (released May 23, 2018) featuring 178 fixed paylines, medium volatility, and an RTP of 96.3%. It includes Happy Spins respin features, free spins, walking and sticky wilds, and a max win of 5000× your stake.
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.
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