Drilloot vs Deep Bell

Welcome to Planet 7. Drill deep. Discover more. You're a survey engineer assigned to an uncharted planet. Your job: dig through the strata, collect samples, and complete missions for your crew — all while uncovering the mystery buried beneath. ◆ ONE-HANDED IDLE MINING Fully portrait, tap-to-play. Perfect for short commutes or long relaxing sessions. ◆ SIX DISTINCT STRATA Topsoil, red clay, limestone, crystal, hot-ore, and magma core. Each layer brings new geology and rarer resources. The deeper you go, the more valuable the find. ◆ 40 SURVEY QUESTS Two crew members — a mechanic and a researcher — send you on survey missions. Complete them to unlock deeper regions and reveal the planet's secrets. ◆ UPGRADE YOUR GEAR Drill speed, expedition bag capacity, and the auto-system. Dig faster, carry more, and automate the grind. ◆ RELIC SYSTEM (NEW) Ancient relics surface as you mine. Equip them to boost your stats, spend coins to "refine" their tiers, and sell the ones you don't need. Hunt, hold, equip, refine, sell — curate your own build. ◆ PRESTIGE + GP SKILLS Clear all 40 quests to unlock prestige. Earn GP and unlock powerful permanent GP skills — including relic find rate and refine cost reduction. ◆ INCREASING CHALLENGE Quest requirements grow slightly each prestige. Up to 15 laps total. ◆ OFFLINE PROGRESSION Your drill keeps running while you're away. Come back to a survey log of what you've collected. ◆ AUDIO Background music + sound effects, with volume and on/off settings that apply instantly. ◆ FEATURES - 100% offline play - No account required - Local save - stays on your device - English & Japanese supported Ads are shown by default. The optional "Remove Ads" in-app purchase disables them permanently. Dig in. The planet is waiting.

A town sank on a night of storm forty years ago. Its bell is still ringing. Drill down through the seabed and bring up what the town left behind. You are a diver with no name. From the salvage barge Kamome-maru you ride a diving bell down to Shizugane, the harbour town the sea took. • A seabed that shifts: sand pours into your tunnels, rubble tumbles and lava hardens where it meets the water. Every dig changes the ground beneath you. • Light and air: lamp oil, an air hose and a reserve tank. Fill your satchel, empty it at the bell, and go again. • Lower the bell down the tunnel you dug, and start your next dive from there. • Six depths, six worlds: the Shallows, Shizugane, the Cathedral, the Ship Graveyard, the Vents and the Trench, where the Great Bell lies. • 43 relics and 15 keepsakes, each holding a piece of the town's last night. • Restore the clock tower, the organ and the foundry, and rebuild the harbour. • A crew of three: a gruff captain, an engineer with no time for superstition, and a boy kept awake by a bell beneath the sea. And a question no one asks out loud: who is the diver? • Eels that steal your ore, squid that ink, crabs, anglerfish. They are few, and all give fair warning. Or switch on relaxed mode: no injuries, no thieving eels, just you, the dark water and the dig. • Play one-handed, in portrait. • A pixel-art sea, and music that shifts as you go deeper. Buy once. No ads, no in-app purchases. Plays offline.