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Treehouse, spells and witches.

This is where magic, mystery, and mischief live among the treetops.
Create your own enchanted home high above the forest floor, gather ingredients for spells, go on adventures with friends, and meet creatures as curious as you are. It’s a gentle, joy-filled world where witches study under starlight, skeletons throw rooftop parties, and cats know all the best secrets.

Key Features

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Build & Decorate

Craft, customize, and decorate your magical hideaway with furniture, trinkets, and glowing charms.

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Play Your Way

Choose to be a witch, cat, or skeleton—each with unique abilities, lore, and delightful outfits.

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Go on Cozy Quests

Wander through foggy forests, moonlit swamps, and forgotten ruins in search of spells, artifacts, and cozy surprises.

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Magical Friends

Meet a cast of sweet, spooky, and slightly strange characters with their own backstories and quests.

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Seasonal Events

Join limited-time festivals, broom races, and trick-or-treat trails. Collect event-only items to decorate your space!

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Play with friends

Invite your coven (or skeleton crew) to join your world. Build together, complete co-op quests, or just chill by the campfire.

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The Gameplay

Whether you're logging on for a quick build or diving into a full-on adventure, Summer With Marnie lets you set the pace.

🏡Decorate your treehouse with found or crafted items

🧪 Brew potions, forage ingredients, and unlock magical upgrades

🔮 Interact with NPCs, each with their own mini-stories and charm

🗺️ Unlock new regions full of creatures, cozy challenges, and secrets

🤝 Enjoy real-time co-op or play solo at your own speed

From the Dev Notes

Step into the dev journal for a peek behind the potions.
Here’s where we introduce the quirky characters and share tidbits about their world, origins, and the magic that brought them to life.

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Meet Alice: The Witchy Student From Catland

Curious, chaotic, and easily distracted by shiny things—Alice is one of the first characters you’ll meet. She’s on a mission to master magic… and maybe adopt one more cat.

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Meet Ribbit: The Frog From Lilylands

Ribbit once dreamed of becoming a pirate. Now he trades enchanted teacups and hoards books. He’s full of surprises—and swamp lore.

Join missions, players, and worlds.

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Ready to explore?

Your treehouse is waiting—nestled high in the trees, with just the right amount of creaks and candlelight.

Whether you’re gathering herbs in the morning fog, hanging lanterns with your coven at sunset, or sharing secrets with skeletons under the stars, Summer with Marnie is your soft landing into a slower, sweeter kind of world.

It’s not just a game. It’s a feeling.

A place to explore, create, connect, and come back to—whenever you need a little magic.

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