Pokemon Arena 2D Safari Zone, Game Corner & Shop Economy Guide
Complete economy guide for Pokemon Arena 2D: Safari Zone catch weights and anti-dupe pity, Game Corner 5x5 Cascade Slots payouts, and Shop surcharge math.
Frequently Asked Questions
Why do Potion and Evolution Stone prices go up in the Shop, while Safari Passes stay ₽500?
Does the Safari Zone have duplicate protection (pity)?
Can you catch Legendary or Mythical Pokémon in the Safari Zone?
Is the Game Corner profitable in Pokemon Arena 2D?
How Does the Safari Zone Work in Pokemon Arena 2D?
The Safari Zone is your primary engine for collecting the ~312 non-legendary base evolution families across Gen 1–6 (Kanto through Kalos) and unlocking their PC BST HP Bonuses.

Verified Safari Zone Mechanics (pokemon.js)
- Flat
₽500Safari Pass (priceStep: 0): Every admission requires 1 Safari Pass, purchased in The Shop for₽500. Unlike battle consumables, Safari Passes never increase in price no matter how many you buy. - Base-Form Encounter Pool (
catchable): The Safari Zone spawns base evolution roots (prev == null) that are not Legendary or Mythical—plus strong single-stage Pokémon like Lapras (535 BST), Aerodactyl (515 BST), Tauros (490 BST), Pinsir (500 BST), Heracross (500 BST), and Snorlax’s pre-evo Munchlax. - Built-In
5×Anti-Duplicate Pity (OWNED_WEIGHT = 0.2): Every species in the pool has its spawn weight multiplied by0.2once you own it (owns(p.dex)). That means unowned Pokémon are 5 times more likely to appear than duplicates, keeping late-game Pokédex completion fast and fair! - BST Rarity Curve (
RARITY_FLOOR = 0.3): Stronger base forms (like Lapras or Dratini) scale linearly down to0.30×weight compared to the lowest-BST bugs, making high-BST single-stage catches exciting without turning them into impossible 1% rolls. - Duplicate Consolation Reward: Whenever you do encounter a Pokémon you already own, the game automatically grants you 1 Free Potion (
+35 HPbattle item) viaSHOP.grant('potion', 1)!
How to Farm ₽ in the Game Corner (5×5 Cascade Slots)
When your wallet is low—or when you want risk-free ₽ without wagering in the Arena—open the Game Corner from the main menu (showGameCorner()).

Game Corner Payout Math (gamecorner.js)
Each round costs ₽15 (STAKE = 15) and fills a 5×5 grid with 25 Pokémon tiles divided into 5 BST Rarity Tiers (from weakest to strongest non-legendary Pokémon). You get 3 adjacent drag-swaps (SWAPS = 3) per spin:
| Rarity Tier | Tile Border Color | Spawn Weight (%) |
3-Match Base (1×) |
4-Match (2×) |
5-Match (4×) |
|---|---|---|---|---|---|
| Tier 1 (Common) | Slate (#6b7a8f) |
40% |
₽1 |
₽2 |
₽4 |
| Tier 2 (Uncommon) | Green (#4f9d69) |
27% |
₽2 |
₽4 |
₽8 |
| Tier 3 (Rare) | Blue (#3f7fd6) |
18% |
₽2 |
₽4 |
₽8 |
| Tier 4 (Epic) | Purple (#8a63d6) |
10% |
₽4 |
₽8 |
₽16 |
| Tier 5 (Apex BST) | Orange (#f2a03d) |
5% |
₽8 |
₽16 |
₽32 + ₽400 JACKPOT! |
Complete Arena Shop Pricing & +50% Hoarding Surcharge Guide
In shop.js, The Shop sells 3 Battle Consumables and 22 Evolution Items. To stop rich players from buying 99 Potions at base price, the Shop applies a +50% Surcharge (PRICE_STEP = 0.5) for each copy currently sitting unused in your inventory:
Current Price (₽) = round((Base Cost × (1 + 0.5 × Owned Count)) / 5) × 5

| Shop Item | Category | Base Cost (0 Owned) | Cost at 1 Owned | Cost at 2 Owned | Tactical Rule |
|---|---|---|---|---|---|
| Safari Pass | Collection | ₽500 |
₽500 (0% step) |
₽500 (0% step) |
Exempt from surcharge—buy and use anytime |
Potion (+35 HP) |
Battle | ₽100 |
₽150 |
₽200 |
Only hold 1 copy at a time (or get free copies from Safari dupes) |
| Scouting Visor | Battle | ₽120 |
₽180 |
₽240 |
Buy 1 right before a big-wager Arena match, then spend it |
| Stage-2 Evo Items | Evolution | ₽400 |
₽600 |
₽800 |
Buy 1 at a time and immediately apply it inside The PC |
| Mixed Evo Stones / Cable | Evolution | ₽550 |
₽825 |
₽1,100 |
Apply your first Water/Thunder/Fire Stone in The PC before buying a second! |
| Stage-1 Evo Items | Evolution | ₽700 |
₽1,050 |
₽1,400 |
Includes Ice Stone, Metal Coat, Prism Scale, Razor Claw/Fang |
Ready to test your upgraded collection against a real human opponent? Head over to our Multiplayer & Friend Duel Mode Guide or check our Active Codes & Cloud Save Guide!
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