【Lotte "Coolish" x Legendary Run Game "Chari-sō" Official Collaboration!】A refreshing run action game where you dash across the world with a single fingertip, released for a limited time from April 27 (Mon)!

Lotte Co., Ltd. (Shinjuku-ku, Tokyo; Representative Director and President: Hideki Nakajima; hereinafter "Lotte") will launch an original game, an official collaboration between its drinkable ice cream "Coolish" and the popular action game "Chari-sō," on the official Coolish X (formerly Twitter) account starting Monday, April 27, 2026. The game content is linked to the currently airing TV commercial "Instant Refreshment" and allows players to virtually enjoy the refreshing sensation of Coolish, where the coolness and sweetness rush from the throat to the depths of the body, providing an instant refreshing feeling.

■ Project Content: Aim for "Antarctica" in a nostalgic world!

This game was developed with the official cooperation of "Chari-sō," which took the world by storm with its simple yet highly addictive gameplay. While based on the nostalgic pixel art world of "Chari-sō," it incorporates the refreshing feel of "Coolish," resulting in a simple yet exhilarating visual experience.

▶ Stage changes traversing the world
As you run, the background and footing change in real-time, starting from the city, moving through the countryside, snowy mountains, and finally to the ultimate destination, "Antarctica." Experience a journey across the world.

▶ "Big Jump" by acquiring items
When you acquire "Coolish" appearing on the course, the message "飲んでキモティィィィ～!" (Drinking feels so good!) appears on the screen. You enter "Big Jump" mode, accelerating for a certain period and leaping over all obstacles.

▶ CM-linked sound & voice experience
The in-game BGM uses the sound source from the currently airing commercial. Numerous features are included to enhance immersion, including sound effects when acquiring items.

■ How to Play Guide

Step 1: Tap to jump! Dash with simple controls
Keep running, jumping over cliffs, aiming for the Antarctica stage.
*Tap during a jump for a double jump!
*Also, GETTING "Coolish" triggers a "Big Jump"!

Step 2: Experience the thrill of acceleration
The further you run, the faster your speed increases. Enjoy the thrilling sense of control.

Step 3: Compete for high scores and win luxurious prizes
Your running distance is measured as a score. Until Thursday, June 11, 2026, a prize campaign will be held where prizes will be awarded by lottery to users who record high scores (details below).

■ Prize Campaign

・Campaign Period: Monday, April 27, 2026, 10:00 AM to Thursday, June 11, 2026, 11:59 PM

・How to Apply: ① Follow the official Coolish X account (@lotte_coolish)
② Post your game score of 3,000m or more on X via the "Share Results" button in the game during the campaign period.

・Prizes: JTB Travel Gift worth 82,828 yen for 2 winners, or a free coupon redeemable for 3 "Coolish Vanilla" for 80 winners, will be awarded by lottery.

・Winner Announcement: Only winners will be notified via X Direct Message from this account.

For more details, please check the campaign application terms and conditions page below.
https://www.lotte.co.jp/socialmedia/coolish_x3/

Coolish Official X: https://x.com/lotte_coolish

■ Game Overview

Launch Date: Monday, April 27, 2026
Platform: Dedicated smartphone website URL: https://www.coolish-jesse-sou.com/
*No app installation required

■ (Reference) Lotte "Coolish" Product Overview

・Coolish Vanilla

This is a "drinkable ice cream" that allows you to enjoy cold and smooth ice cream with one hand.

Content: 140ml

Sales Area: Nationwide

・Coolish Fragrant Muscat

Enjoy the juicy taste as if biting into a rich fruit.

Content: 135ml

Sales Area: Nationwide

New Release on Monday, April 20

・Coolish Belgian Chocolate

Enjoy the authentic chocolate taste with a rich cacao flavor.

Content: 140ml

Sales Area: Nationwide

・Coolish x Calpis® White Peach

Collaboration with the popular beverage "Calpis"! Enjoy the sweet and sour taste of "Calpis" and white peach.

*"Calpis" is a registered trademark of Asahi Soft Drinks Co., Ltd.

Content: 140ml

Sales Area: Nationwide

・Coolish Multi Vanilla & Chocolate

This is an assorted type of Coolish where you can enjoy two types: vanilla and chocolate.

Content: 80ml x 2 types x 3 pieces

Sales Area: Nationwide

・Coolish Multi Calpis® & Calpis® Kyoho Grape

This is an assorted type of Coolish where you can enjoy two types: "Calpis" and "Calpis" Kyoho Grape.
*"Calpis" is a registered trademark of Asahi Soft Drinks Co., Ltd.

Content: 80ml x 2 types x 3 pieces

Sales Area: Nationwide