Slot: Semiconductor Defense
Slot: Semiconductor Defense is made and published by Taewoo Kim. AppBrain is an independent app data site and isn't affiliated with Taewoo Kim. The app name, icon, screenshots and description belong to Taewoo Kim and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 25, 2026
Rankings
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Also available on Google Play
Releases
Updates seen on the App Store- Version
- 1.2.0
- Launched
- May 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- $1.99
- App size
- 38.7 MB
- Content rating
- Everyone
Technologies used by Slot: Semiconductor Defense
About the app and developer
About Slot: Semiconductor Defense
Slot: Semiconductor Defense is a games app developed by Taewoo Kim.
User Ratings
The app has no ratings yet.
App Information
Slot: Semiconductor Defense costs $1.99. The app size is 38.75 MB. The latest version available is 1.2.0. The last update was on September 25, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since May 2026.
Developer information for Taewoo Kim
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Frequently asked questions about Slot: Semiconductor Defense
Is Slot: Semiconductor Defense free?
No. Slot: Semiconductor Defense costs $1.99 on the App Store.
Is Slot: Semiconductor Defense still available?
Yes. Slot: Semiconductor Defense is on the App Store, and the last update we saw was on September 25, 2026.
How large is Slot: Semiconductor Defense?
Slot: Semiconductor Defense is 38.75 MB.
Is Slot: Semiconductor Defense suitable for children?
App Store rates the content of Slot: Semiconductor Defense as suitable for everyone.
Who made Slot: Semiconductor Defense?
Slot: Semiconductor Defense was developed by Taewoo Kim. It is listed in the games category on the App Store.
Store listing
By Taewoo Kim, from the App Store
Description by Taewoo Kim Written by the developer, not by AppBrain. Click to read.
One-time purchase, full content forever. No ads, no IAP.
A serious slot tower defense — 40 waves × 7 difficulties.
▶ Core Mechanics
Slot Machine
- Collect coins, spin the slots, and acquire units
- 5 grades: Common · Uncommon · Rare · Unique · Legendary — 29 units total
- Slot costs stack up within a run — balance risk and saving
Grid Placement
- 12×7 grid, S-shaped loop path
- 4 attack types: Single · AOE · Pierce · Support
- Combine 3 of the same unit → upgrade to higher grade (17 recipes)
40 Waves × 7 Difficulties
- From Intern (Easy) to Director (Very Hard)
- Diverse enemy gimmicks — Dash · Split · Shield · Phase · Aura Heal
- Boss waves at 10, 20, 30, 40
Permanent Upgrade System (3 layers)
- Meta Tree — Global upgrades (all units/enemies/economy)
- Grade Upgrade — per-race × grade (within a run)
- Unit Upgrade — individual unit permanent leveling (max Lv 20 + milestone bonuses)
▶ Features
- One-time purchase — no ads, no IAP, no subscription
- Landscape mobile optimized
- One run ~30 minutes — finishable on a short commute or break
- Offline play — no network required
▶ Credits
Music by Kevin MacLeod (incompetech.com), CC BY 4.0
SFX by Kenney (kenney.nl), CC0