
Sakura Rally
A cel-shaded low-poly rally game through Japanese mountains in spring and autumn, in one world with no loading.
Browse templates and start building your game with AI
Real games with full source. Download one, open it in Summer Engine and make it yours.

A cel-shaded low-poly rally game through Japanese mountains in spring and autumn, in one world with no loading.

A complete side-scrolling platformer: stomp combat, hazards, a boss, and levels you write as text files.

A grid puzzle starter: push crates, trigger plates, grab keys and dodge a chasing enemy, in levels you write as text.

A farmyard lane-defense starter: place hens, geese and hay bales on a grid and stop the farmers before they reach your base.

A 2D Metroidvania starter: tight movement and sword combat, seven connected rooms, ability pickups, NPCs, quests and a boss.

A classic turn-based 2D RPG: explore a town and forest on a grid, talk to villagers, and fight monsters in turn-based battles.

Weapons fire themselves. You dodge, level up, and draft upgrades until the screen is yours.

Turn a large imported city model into a walkable 3D world with exact collision and baked navigation.

A tiny old-school first-person shooter starter with fast, tuned movement in a brick arena.

A compact first-person combat slice: rifle and pistol gunplay against animated enemy soldiers who fire back.

A working multiplayer setup you can copy: host, join, and knock each other around a 3D arena as little robots.

A third-person adventure slice: walk an animated robot hero across open terrain, talk to an NPC and find the relic.

Generate a road-connected open world from a seed, explore it on foot, and jump into a physics car.

Arcade racing with drift, gears and rivals: pick a car in the garage, pick a track, and race a wet coastal mountain road.

Build a card loadout, spend elixir, and deploy a 3D army to take down your AI rival's towers.

A polished third-person controller: run, jump, melee, aim, shoot and lob grenades, with robot enemies to use it on.

Mine, build, farm and survive in a living voxel world that quietly unsettles you.
Browse all available templates across every category.

Build a third-person survival horror game with resource scarcity, inventory management, and enemies that punish carelessness. Describe your world and Summer Engine builds the systems with you.

Build a third-person survival horror game inspired by Resident Evil. Fixed or over-the-shoulder cameras, interconnected maps unlocked through key items, and a resource economy where every bullet matters.

Build a psychological survival horror game inspired by Silent Hill. Fog-drenched exploration, radio-based enemy detection, Otherworld transitions, and monsters designed as metaphors for the protagonist's guilt.

Build a first-person horror game inspired by Amnesia: The Dark Descent. No combat, sanity mechanics, physics-based interaction, and a light-versus-darkness system where staying in the dark too long destroys the player's mind.

Build a first-person horror game inspired by Outlast. Found-footage camcorder with night vision, battery scarcity, relentless pursuit sequences, and a defenseless protagonist documenting horrors they cannot stop.

Build a sci-fi survival horror game inspired by Dead Space. Strategic dismemberment combat, diegetic HUD integrated into the player's suit, zero-gravity segments, and claustrophobic space station corridors where every vent could spawn something.

Build an immersive first-person horror game where the player perspective is the horror tool. Close quarters, limited visibility, and audio-driven dread. Summer Engine helps you construct the experience.

Build a horror game where reality bends, the narrative fractures, and the environment cannot be trusted. Summer Engine helps you create systems that make players question what is real.

Build a horror game where players survive by staying hidden. Stalking threats, narrow escapes, and the dread of being almost caught. Summer Engine helps you design the tension mechanics.

Build a horror game where the threat is incomprehensible scale and alien intelligence. Lovecraftian dread, forbidden knowledge, and the madness of understanding. Summer Engine builds the systems with you.

Build a horror game defined by a single terrifying creature. Its design, behavior, and presence are the entire game. Summer Engine helps you build the beast and the world around it.

Build a narrative horror walking sim where exploration and discovery carry the dread. No combat, no survival mechanics. Just a player, a space, and something deeply wrong. Summer Engine builds the atmosphere with you.

Build a horror game that uses controlled pacing and precise scare delivery to create screamer moments that feel earned. Summer Engine helps you design the tension arc and scare placement.

Build a horror game where biological transformation, grotesque physicality, and visceral imagery are the core design language. Summer Engine helps you build systems that make the body feel wrong.

Build a horror game rooted in community, isolation, and the horror of deeply held belief. Rural settings, ancient ritual, and the outsider protagonist who discovers what the locals have always known. Summer Engine builds the world with you.

Build a first-person shooter with tight gunplay, responsive movement, and level design that rewards positioning. Describe your combat vision and Summer Engine builds the foundation alongside you.

Build a third-person shooter where cover, mobility, and weapon choice interact. Players see their character and the battlefield at once. Describe your vision and Summer Engine builds the systems alongside you.

Build a top-down twin-stick shooter where movement and aiming are always independent. Waves of enemies, tight arenas, and weapons that transform how players clear rooms. Describe your vision and Summer Engine builds it with you.

Build a fast-paced multiplayer arena shooter where weapon control and map movement decide matches. Describe your combat vision and Summer Engine builds the foundation alongside you.

Build a round-based tactical shooter where death is permanent for the round, buy phases reward economy management, and map knowledge wins matches. Describe your design and Summer Engine builds the foundation with you.

Build an extraction shooter where players enter dangerous zones carrying only what they bring, fight players and AI, loot gear, and risk everything to extract. Describe your design and Summer Engine builds the foundation with you.

Build a loot-driven third-person or first-person shooter where gear rarity, build diversity, and escalating content create a game players return to for hundreds of hours. Describe your vision and Summer Engine builds it with you.

Build a retro-inspired first-person shooter with grid-adjacent level design, no regenerating health, and a weapons roster where the shotgun is always wrong to switch away from. Describe your vision and Summer Engine builds it with you.

Build an on-rails shooter where the camera moves automatically and the player focuses entirely on targeting enemies, managing weapons, and hitting critical moments. Describe your design and Summer Engine builds it with you.