CROP BOB
Plant. Grow. Harvest. Prosper.
⛓ ON-CHAIN BITCOIN FARMING RPG · OPNET TESTNET
Plant. Grow. Harvest. Prosper.
⛓ ON-CHAIN BITCOIN FARMING RPG · OPNET TESTNET
A fully on-chain farming RPG secured by Bitcoin proof-of-work. Every action is a Bitcoin transaction — no backend servers.
Your farm, inventory, coins, and skills live in 5 packed u256 storage slots on Bitcoin L1 via OPNet. Zero servers.
6 fruits + 6 vegetables. Quick Wheat (2 days) to premium Mango (8 days). Each with unique yield and profit.
Smoothie Factory, Veggie Master, or The Juice. Earn points every 15 days. One tree only — choose wisely.
Lock gold in time-locked vaults for up to 80% base interest. The Juice skill tree boosts returns even higher.
6 slots × 3 tiers. Full Mythic = +180% growth speed + 180% charisma. Buy in Shop, view in Gear tab.
On-chain Hi-Lo card game. Payouts scale with probability. ~12% house edge. Pure on-chain RNG.
Every "day" is an on-chain transaction. Here's one turn:
All 12 crops at a glance. Tap a tab to switch.
| Crop | Growth | Yield | Seed Cost | Sell Price |
|---|---|---|---|---|
| Tomato | 4 days | 1–3 | 5g | 12g |
| Orange | 5 days | 2–4 | 6g | 14g |
| Strawberry | 5 days | 2–5 | 8g | 18g |
| Grapes | 6 days | 2–6 | 9g | 20g |
| Banana | 7 days | 2–5 | 10g | 22g |
| Mango | 8 days | 1–4 | 12g | 28g |
| Crop | Growth | Yield | Seed Cost | Sell Price |
|---|---|---|---|---|
| Wheat | 2 days | 3–5 | 2g | 5g |
| Carrot | 3 days | 2–6 | 2g | 6g |
| Onion | 3 days | 2–5 | 3g | 7g |
| Potato | 3 days | 2–4 | 3g | 8g |
| Corn | 6 days | 4–6 | 4g | 10g |
| Sweet Potato | 5 days | 2–4 | 6g | 15g |
Each day brings randomized weather. Check the TV in your Farmhouse!
From zero to farming in 5 minutes
Get the OP_WALLET browser extension. It's your Bitcoin wallet that talks to OPNet smart contracts via WalletConnect.
You need OPNet testnet BTC for gas fees. Grab free tBTC from the OPNet Faucet. Each action (plant, water, sleep, harvest, sell) is a real Bitcoin transaction.
Go to cropbob.io, connect your OP_WALLET, and you'll see the Welcome screen. You start with 9 plots and gold to buy seeds.
Start with Wheat — it grows in just 2 days. Go to Shop, select Wheat, Plant All, Water All, then Sleep. Repeat daily!
Upgrade your farm (up to 48 plots), unlock skill trees every 15 days, buy gear, stake gold in vaults, and try the Degen House.
Everything you need to master CropBob
All 12 crops, profit analysis, optimal planting strategies, drought management, and farm upgrade paths.
BEGINNERInteractive skill tree explorer. Every node, every bonus, every path across all 3 specializations.
INTERMEDIATEInterest calculator, BGOLD token mechanics, staking timelines, and economy skill bonuses.
INTERMEDIATEAll 6 gear slots, tier comparisons, cost breakdowns, and when to invest in Rare vs Epic vs Mythic.
INTERMEDIATEHi-Lo probability tables, EV breakdowns, the house edge explained, and bankroll management.
ADVANCEDMin-max builds, gold-per-day optimization, speedrun paths, and endgame meta strategies.
ADVANCEDCropBob is live on OPNet Testnet. Connect your OP_WALLET and start building your Bitcoin farming empire.
▶ START PLAYING