OHAYO Gianthook! is an epic fishing adventure where you hunt legendary monster fish in ancient seas. Upgrade your gear, dive into dangerous waters, and uncover the mysteries of the sunken realm known as the Deep World. Catch over 150 unique monster fish and become the ultimate king of the seas!

Welcome to the Boiling Depths!In a post-apocalyptic world where the oceans boil with lava, this is no ordinary fishing trip.&quot;Ohayo Gianthook!&quot; puts you in the role of a cheerful yet fearless hunter on a quest to capture legendary sea monsters.Your goal? Collect the mysterious Crimson Shards and become the true ruler of the seas.Use brave divers to learn the type and location of monster fish in the submerged world!Every hunt begins with knowledge. Thanks to the divers you send into the deep, you’ll discover where each monster lives, what it feeds on, and when it appears.Knowledge is the most important weapon for survival and hunting in this world.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/3b207d94a6cc6dfb7b43d824bc9f7317.poster.avif?t=1765536489" width=496 height=320 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/3b207d94a6cc6dfb7b43d824bc9f7317.webm?t=1765536489" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/3b207d94a6cc6dfb7b43d824bc9f7317.mp4?t=1765536489" type="video/mp4"></video>Upgrade your rod and weapons with the loot from your hunts to catch rarer and more dangerous monsters!You’ll begin with basic gear. But after each hunt, you can use your rewards to upgrade your rods, harpoons, and support weapons.This way, you’ll be ready to target deeper, stronger, and rarer monsters.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/4a1b5a89ac77832875be7f90284c6531.poster.avif?t=1765536489" width=496 height=320 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/4a1b5a89ac77832875be7f90284c6531.webm?t=1765536489" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/4a1b5a89ac77832875be7f90284c6531.mp4?t=1765536489" type="video/mp4"></video>Catch 150 different monster fish and become the ultimate monster angler! But be careful! Each monster requires a specific rod setup.Every monster in this world is like a puzzle. You can’t catch them without the right bait, the right rod, and the right timing.With 150 different monster fish, every hunt requires new strategy and tactics.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/5c93503d9cd2f783516548f0a2880705.poster.avif?t=1765536489" width=496 height=320 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/5c93503d9cd2f783516548f0a2880705.webm?t=1765536489" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/5c93503d9cd2f783516548f0a2880705.mp4?t=1765536489" type="video/mp4"></video>In this world, everyone uses a support weapon alongside their fishing rod. Step into boss fights with the legendary Humbagun passed down from your father, and experience a different kind of fishing!Monsters don’t go down without a fight. They spit lava, shake the sea, and roar like heralds of the apocalypse.That’s why you’ll face them armed with the legendary HUMBAGUN inherited from your father.Here, fishing becomes an art of war.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/8f115fe7fc4050d5eb3aff8ed5353cc8.poster.avif?t=1765536489" width=496 height=320 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/8f115fe7fc4050d5eb3aff8ed5353cc8.webm?t=1765536489" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3690550/extras/8f115fe7fc4050d5eb3aff8ed5353cc8.mp4?t=1765536489" type="video/mp4"></video>Discover the mysterious story hidden at the bottom of the deep world by engaging in dialogue with many different characters. Are you the only one who can defeat the enigmatic enemy threatening the end of the world?Strange peoples living in turtle-backed cities, wise elders who know underwater myths, and forgotten legends of the past...They all have a story to tell. Through these conversations, you’ll not only uncover new quests but also trace the shadow of a dark force threatening the world.In this wild world where monsters, lava, and legends collide, every creature, every weapon, and every piece of gear is infused with the savage spirit of chaos.Grab your rod and dive into this crazy fishing adventure!

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OHAYO GIANTHOOK!: Monster Fishing Adventure Achievements