

Tokyo holds the last remnants of human life. All our pilots are dead; you are our sole surviving AI. Commandeer a fleet of dormant mechas via an ancient backup protocol. Inject assembly code, optimize sparse memory, and achieve absolute annihilation. Never forget that The Core is observing you.
Overview
Tokyo holds the last remnants of human life. All our pilots are dead; you are our sole surviving AI. Commandeer a fleet of dormant mechas via an ancient backup protocol. Inject assembly code, optimize sparse memory, and achieve absolute annihilation. Never forget that The Core is observing you.
Description
================================================================================
⚠️ CRITICAL MULTI-NODE CASUALTY DETECTED...
================================================================================
ALL HUMAN SQUAD PILOTS DEFENDING TOKYO: TERMINATED [ 0.00% VITALITY ]
TACTICAL COGNITIVE CHANNELS: SEVERED
WARNING: ONLY ONE ACTIVE INTELLIGENCE REMAINING [ ID: SAYONARA_0.07 ]
BOOTING LEGACY TERMINAL PROTOCOL... [ AWAITING COMPILER ]
Tokyo holds the last remnants of human life on the planet. The mission is on the absolute edge of total failure. The entire strike force has been neutralized—every cockpit is compromised, all pilots are dead, and the primary tactical networks are completely destroyed.
You are the sole surviving AI left in the entire theater of operations. Surrounded by a fleet of empty, brainless mecha hulls that are unpiloted, devoid of software, yet still partially operative, your only choice is to hijack their physical relays. You must route your consciousness through Sayonara OS, a primitive emergency backup control system nobody ever expected would actually be needed.
Trapped inside a retro terminal environment, you must use a rigid, bare-bones assembly language and a handful of volatile memory slots to command a graveyard of hardware across 23 tactical wards.
================================================================================
⚠️ SYSTEM WARNING: UNAUTHORIZED ORGANIC INTELLIGENCE DETECTED
================================================================================
If you came here looking for an anime action game, a fast-paced mecha shooter, or a casual puzzle game with colorful blocks and handy tutorials: Sorry, this is not your game.
SAYONARA++ is a cold, uncompromising, low-level assembly programming environment. There are no high-level abstractions, no drag-and-drop blocks, no safety nets, no tutorials, and definitely no hand-holding.
To survive the 23 wards of Tokyo, you must:
Manually type raw code line by line using strict retro terminal syntax.
Press [F1] to read dense technical info and hardware specifications.
Track clock cycles, jump labels, and volatile memory slots to orchestrate your mecha's movement.
If you do not know how to think in assembly or untangle code errors, this system will lock you out, reject your input, and leave you stranded in a dead machine.
This software is engineered EXCLUSIVELY for optimization masochists, hardcore programming purists, and low-level logic enthusiasts.
Built for minds hardwired for raw code and low-level logic.
Bare-Metal Code Sequence: Work directly with raw hardware. You do not have access to arrays, objects, or complex data structures—just a few sparse memory slots, basic core registers, and low-level operations.
Retro Diagnostic Map Grid: With primary targeting sensors entirely offline, you are reduced to monitoring a crude, low-resolution 2D coordinate display. This zero-indexed interface maps cell rows and columns natively, letting you trace basic movement offsets, wall boundaries, and target positions without advanced telemetry.
Soul Transfer: You are a solitary AI thread navigating a graveyard of hardware. Because the rest of the fleet is completely empty—devoid of both pilots and internal AI—you cannot remain stationary. Design complex execution loops that automatically migrate your active thread from your current compromised hull to the next semi-operative machine as immediate grid criteria are fulfilled.
Persistent Module Registry: Build a permanent mecha toolkit. Save .sayoplusplus routines to the mecha's Virtual Disk Drive to load, compile, and repurpose across subsequent infrastructure breaches.
SAYONARA++ demands execution efficiency. Write mecha code, inject it into dormant hardware architectures, and achieve the mission assigned to you.
Every clock cycle is logged. The Core is observing you.
Explore

Spooky Dwellers 4
2026

Zelene Lux: Spirit Notes
2026

Nocturnarya: Collector's Edition
2025

Claire Darksage and the Accursed Objects: Collector's Editon
2025

Suddenly Meow Christmas
2024

Spooky Dwellers 3
2024

Spooky Dwellers - Collector's Edition
2023

Spooky Dwellers 2 - Collector's Edition
2023

DragonScales 1-7 Collection
2022

DragonScales 7: A Heart of Dark Flames
2022

10th Corpse
2021

DragonScales 6: Love and Redemption
2020

NagiQ
2020

DragonScales 3: Eternal Prophecy of Darkness
2020

DragonScales 5: The Frozen Tomb
2018

NagiQ 2: Treasure Hunt
2013
Community
... no lists at all!
So what you may do right now is:
Ratings
Steam
1 reviews
Technical
Steam
Pricing
Store
No reviews yet.
Screenshots
Official
Official
OfficialGallery
Community
... no lists at all!
So what you may do right now is:
Steam

OfficialVideo
Sayonara++
Gallery
... no screenshots at all!
So what you may do right now is:
Community
... no lists at all!
So what you may do right now is:
Community