Top Mobile Games in Japan Today — Best Free & Grossing App Store Rankings (May 21, 2026)
🇯🇵 Japan Mobile Game Rankings
App Store Top Charts • May 21, 2026
Today's top mobile games in Japan: フォートナイト, Arrows GO! - 矢印パズルゲーム, ホワイトアウト・サバイバル and more. Free and grossing App Store rankings updated May 21, 2026.
Market overview
On May 21, 2026, Japan's mobile gaming market demonstrates a compelling duality, where established global revenue powerhouses contend with significant new domestic IP entries. While hardcore strategy titles like *Whiteout Survival* and perennial gacha RPGs such as *Genshin Impact* maintain their top grossing positions, the immediate, robust performance of *Gakuen Idolmaster* underscores the enduring potency of Japanese intellectual properties. This strong local IP revenue generation contrasts with a more diverse free chart, where persistent global giants like *Fortnite* coexist with accessible casual puzzles and major Western IP-driven games. The market therefore exhibits a deep-spending segment for sophisticated monetization strategies alongside broad interest across varied free-to-play experiences.
🚀 Top 15 Free Games — Japan
#1
▲ 12
フォートナイト
ゲーム
Epic Games Inc.
フォートナイト (Fortnite) currently holds the #1 spot on the mobile game Free chart in Japan, driven by its perpetually updated free-to-play model and widespread appeal as a battle royale and creative sandbox experience. The game's consistent influx of diverse content, including high-profile cross-cultural collaborations, effectively engages a broad demographic seeking both competitive gameplay and social interaction, solidifying its dominant position in the Japan mobile game market.
#2
▼ 1
Oakever Games
"Arrows GO! - 矢印パズルゲーム" by Oakever Games has rapidly climbed to #2 on the Free chart in Japan, demonstrating its strong appeal within the casual puzzle game genre. Its success stems from highly intuitive arrow-based logic combined with an addictive, yet accessible, gameplay loop that resonates broadly with players seeking an engaging mobile game experience across Japan.
#3
NEW
Netmarble Corporation
'ゲーム・オブ・スローンズ：キングスロード' by Netmarble Corporation holds the #3 position on the Free chart in Japan due to the powerful, globally recognized Game of Thrones IP combined with a compelling strategic mobile game experience. This title successfully attracts both franchise enthusiasts and players seeking immersive empire-building (ゲーム) with deep progression systems, showcasing strong commercial appeal in the competitive Japanese market.
#4
▼ 2
Jewel Coloring
ゲーム
Ta Ta Game Technology Limited
Ta Ta Game Technology Limited's "Jewel Coloring" has surged to #4 on the Free chart in Japan, reflecting a strong market demand for casual, visually engaging puzzle ゲーム. Its intuitive tap-to-color mechanics and aesthetically pleasing jewel designs provide a low-stress, satisfying experience for a broad casual audience, driving significant user acquisition within the highly competitive mobile game sector.
#5
▼ 2
Hungry Studio
The ascent of ブロックブラスト (Block Blast) to #5 on the Free chart in Japan highlights its strong appeal within the casual mobile game sector. This block puzzleゲーム leverages a universally popular and accessible gameplay mechanic, drawing in a broad audience seeking relaxing yet engaging brain-teasers. Its straightforward mechanics and satisfying progression loop are key drivers of its current commercial success and high player retention in the competitive Japan market.
![[7R]スマスロ 甲鉄城のカバネリ 海門（うなと）決戦 Japan Free App Store Ranking May 2026](https://images.weserv.nl/?url=is1-ssl.mzstatic.com/image/thumb/Purple211/v4/e9/91/5b/e9915b3e-f4fd-3600-90e4-be0ba9f8a8cc/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/100x100bb.png&w=120&h=120&fit=cover&mask=circle "[7R]スマスロ 甲鉄城のカバネリ 海門（うなと）決戦 ranking")
💎 Top 15 Grossing Games — Japan
#1
▲ 1
ホワイトアウト・サバイバル
ゲーム
Century Games Pte. Ltd.
"ホワイトアウト・サバイバル" by Century Games Pte. Ltd. has reached the #1 grossing position in Japan, largely driven by its compelling post-apocalyptic survival strategy gameplay and deep base-building mechanics, which strongly appeal to players seeking immersive resource management and competitive alliance interaction in a mobile game. This commercial success is further propelled by effective user acquisition campaigns and a robust monetization strategy tailored for the Japanese market.
#2
NEW
原神～空月の歌～
ゲーム
COGNOSPHERE PTE. LTD.
'原神～空月の歌～' by COGNOSPHERE PTE. LTD. is currently #2 on Japan's grossing chart, largely propelled by its strategic release of highly anticipated new character banners and substantial content updates that consistently re-engage its player base. This mobile game's sustained commercial success in Japan is attributed to its premium open-world action RPG experience, featuring top-tier anime-style visuals and compelling gacha mechanics that strongly appeal to players seeking engaging narratives and character collection.
#3
▼ 2
学園アイドルマスター
ゲーム
Bandai Namco Entertainment Inc.
The immediate commercial success of "学園アイドルマスター," now at #3 on the Grossing chart in Japan, is primarily attributed to its strong ties to the established and highly popular Idolmaster franchise. This mobile game effectively taps into a dedicated player base known for significant engagement and spending within the idol training simulation genre, leveraging compelling character gacha mechanics to drive substantial revenue post-launch.
#4
NEW
ウマ娘 プリティーダービー
ゲーム
Cygames, Inc.
ウマ娘 プリティーダービー maintains its strong position as a top-grossing mobile game in Japan, currently at #4, consistently driven by frequent, highly anticipated limited-time gacha banners for new characters and support cards. This character training simulation game captivates a broad audience through its unique blend of compelling anime-style aesthetics with competitive equestrian sports mechanics, ensuring sustained player engagement and monetization for Cygames.
#5
▼ 2
ラストウォー：サバイバル
ゲーム
FUNFLY PTE. LTD.
『ラストウォー：サバイバル』 by FUNFLY PTE. LTD. currently ranks #5 on Japan's Grossing chart, demonstrating robust commercial success through its sophisticated monetization strategies integrated into a highly competitive real-time strategy (RTS) mobile game. The title effectively captures the attention of the Japanese market, particularly players drawn to base-building, resource management, and engaging player-versus-player (PvP) combat within the popular survival-strategy genre.
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DY
Written by DY (Chief Researcher)
Game QA Professional specializing in technical analysis and meta-data research. Founder of DY Game Lab, dedicated to providing high-fidelity gaming insights, market trends, and competitive tier lists with professional analytical depth.
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