---
title: "G123 YouTube Ads: 200+ Video Ad Examples | AdSee"
description: "Explore G123 YouTube ads with 221M views across 200+ video ads. See top browser game campaigns, performance data, and estimated ad spend."
url: "https://www.adsee.ai/ad-examples/youtube/brands/g123"
---

# Watch Top G123 YouTube Ads and Campaigns

G123 is a Japanese browser game platform by CTW Inc. offering free-to-play HTML5 games based on popular anime and manga franchises. Its YouTube advertising collection features 200+ ads with 221M views, highlighting titles like Crayon Shin-chan and promotions such as free gacha pulls.

Last updated: 2026-10-25T11:01:36.000Z

## Key figures

- Rank: #267 YouTube advertiser by estimated spend (https://www.adsee.ai/top-youtube-advertisers/page/2)
- Company: CTW Inc.
- Category: Gaming Apps — HTML5 browser game platform
- Headquarters: Japan
- Estimated total YouTube ad spend: $221K – $11.0M (all-time, estimated range)
- Ads indexed: 250
- Total views: 221M
- Verify in the Google Ads Transparency Center: https://adstransparency.google.com/advertiser/AR06092760221497688065?region=anywhere

## Most-viewed G123 YouTube ads

Top 20 by views, list updated October 2026.

1. [スライム倒して300年、知らないうちにレベルMAXになってました Witchcraft](https://www.adsee.ai/ad-examples/youtube/gaming-apps/300-max-witchcraft-acdx3x36Reg) — 33.6M views, 27s
2. [スライムを創って300年 ウィッチクラフト](https://www.adsee.ai/ad-examples/youtube/gaming-apps/300-FXi9NAIHCvI) — 10.1M views, 15s
3. [クレヨンしんちゃん - 新作ゲームが登場!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-R1W4xlcXmd8) — 8.8M views, 21s
4. [My Status as an Assassin Obviously Exceeds the Hero's Shadow Break](https://www.adsee.ai/ad-examples/youtube/gaming-apps/my-status-as-an-assassin-obviously-exceeds-the-hero-s-shadow-ICxVLMWfOeE) — 8.3M views, 16s
5. [Assassination Classroom Anime & Free Pulls](https://www.adsee.ai/ad-examples/youtube/gaming-apps/assassination-classroom-anime-free-pulls-MCurrzbzCGo) — 6.1M views, 16s
6. [My Status as an Assassin Obviously Exceeds the Hero's: Shadow Break — Get Free Pulls!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/my-status-as-an-assassin-obviously-exceeds-the-hero-s-shadow-_D1GX4wC8K4) — 5.7M views, 31s
7. [Crayon Shin-chan: Ora no Himitsu Dai Sakusen](https://www.adsee.ai/ad-examples/youtube/gaming-apps/crayon-shin-chan-ora-no-himitsu-dai-sakusen-3L-WjwDYuiA) — 5.1M views, 15s
8. [Shadow Break Anime & 1200 Free Gacha](https://www.adsee.ai/ad-examples/youtube/gaming-apps/shadow-break-anime-1200-free-gacha-I4rsnPs8IqE) — 5M views, 16s
9. [クレヨンしんちゃんのすごろくゲーム](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-F_KIVWSLCjg) — 4.4M views, 25s
10. [TVアニメ絶賛放送中!1200連ガチャ無料!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/tv-1200-18xk2ipNLQM) — 4.2M views, 14s
11. [クレヨンしんちゃんの新作ゲームが登場!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-MFOQNFwKaow) — 4.1M views, 18s
12. [짱구는 못말려: 뉴켐 등장! (Crayon Shin-chan: New Character Appears!)](https://www.adsee.ai/ad-examples/youtube/gaming-apps/crayon-shin-chan-new-character-appears-PexoxdSVy1k) — 4M views, 20s
13. [蠟筆小新 我的格子大作戰 — 遊戲介紹](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-fHyUF-UoyT4) — 3.8M views, 84s
14. [のんびり異世界RPG — New Game Release with SSR+ Character Bonus](https://www.adsee.ai/ad-examples/youtube/gaming-apps/rpg-new-game-release-with-ssr-character-bonus-0MxVvGDfHxw) — 3.6M views, 10s
15. [Crayon Shin-chan Game Review](https://www.adsee.ai/ad-examples/youtube/gaming-apps/crayon-shin-chan-game-review-vQNoui6dtLs) — 3.5M views, 87s
16. [Hit TV Anime - Get 1200 Free Pulls Now!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/hit-tv-anime-get-1200-free-pulls-now-jzz40kusZDg) — 3.4M views, 11s
17. [ASSASSINS PRIDE Anime - Get 1200 Free Pulls!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/assassins-pride-anime-get-1200-free-pulls-AgrW7AV9XmU) — 3.3M views, 13s
18. [春日部防衛隊 手工格子遊戲!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-fBEpsyuvxVQ) — 3.1M views, 20s
19. [蠟筆小新 全新格子遊戲登場!](https://www.adsee.ai/ad-examples/youtube/gaming-apps/-UrayiqdpZuI) — 3M views, 18s
20. [Crayon Shin-chan: Ora no Sugoroku Dai Sakusen](https://www.adsee.ai/ad-examples/youtube/gaming-apps/crayon-shin-chan-ora-no-sugoroku-dai-sakusen-bN5JALTFF5k) — 2.9M views, 35s

## About G123

G123 is a Japanese HTML5 browser game platform operated by Tokyo-based CTW Inc. Launched in 2018, the platform provides free-to-play, instant-play games that can be played across mobile and desktop web browsers without requiring app downloads or installations. Its game lineup consists primarily of officially licensed titles based on popular Japanese anime and manga franchises.

## G123 YouTube ads — FAQ

### What is G123?

G123 is a Japanese HTML5 browser game platform operated by Tokyo-based CTW Inc. It offers free-to-play browser games that require no app downloads, focusing heavily on officially licensed titles from popular anime and manga franchises.

### What are G123's YouTube ads about?

G123's YouTube ads focus on browser games adapted from anime and manga franchises, such as Crayon Shin-chan and Shadow Break. The video campaigns frequently highlight in-game incentives like free gacha pulls.

### What video formats does G123 use for YouTube ads?

G123 primarily runs horizontal video ads, alongside a smaller portion of vertical Shorts. Most of the video spots are short, typically running 30 seconds or less.

### In which languages does G123 advertise on YouTube?

G123 advertises mainly in Japanese, followed by Chinese and Korean.

### How many YouTube ads does G123 run?

AdSee has indexed 250 YouTube ads from G123, with 221M views in total.

### Where does G123 advertise on YouTube?

G123's YouTube ads in the AdSee library ran most often in Japan, Taiwan, Hong Kong, South Korea and the United Kingdom.

### How much does G123 spend on YouTube ads?

AdSee estimates G123's YouTube ad spend at $221K – $11.0M. The estimate is calculated from the views of its indexed ads and typical cost-per-view rates in the countries where they ran; it is not spend reported by G123.

### What is G123's most-viewed YouTube ad?

The most-viewed G123 ad in the AdSee library is “スライム倒して300年、知らないうちにレベルMAXになってました Witchcraft”, with 33.7M views on YouTube.

### Where can I verify G123's ads?

G123's ads can be checked in the Google Ads Transparency Center, which lists the ads of the advertiser account behind them: https://adstransparency.google.com/advertiser/AR06092760221497688065?region=anywhere

## More top Gaming Apps advertisers

- #119 [VALORANT](https://www.adsee.ai/ad-examples/youtube/brands/valorant) — est. spend $872K – $21.8M, 240 ads
- #219 [Steam](https://www.adsee.ai/ad-examples/youtube/brands/steam) — est. spend $509K – $12.7M, 945 ads
- #230 [Sveedy](https://www.adsee.ai/ad-examples/youtube/brands/sveedy) — est. spend $495K – $12.4M, 20 ads
- #282 [2K](https://www.adsee.ai/ad-examples/youtube/brands/2k) — est. spend $411K – $10.3M, 312 ads
- #285 [PlayStation](https://www.adsee.ai/ad-examples/youtube/brands/playstation) — est. spend $612K – $10.2M, 191 ads
- #289 [Poki](https://www.adsee.ai/ad-examples/youtube/brands/poki) — est. spend $402K – $10.0M, 74 ads
- #314 [Tibia](https://www.adsee.ai/ad-examples/youtube/brands/tibia) — est. spend $374K – $9.3M, 40 ads
- #413 [Impulse](https://www.adsee.ai/ad-examples/youtube/brands/impulse) — est. spend $278K – $7.0M, 312 ads

All brands: https://www.adsee.ai/ad-examples/youtube/brands

Spend figures are estimated ranges derived from view counts and country-level CPV benchmarks — they are not reported by the advertiser. Method: https://www.adsee.ai/methodology/ad-spend-estimates