By 2026, mobile gamers have developed a survival instinct: never trust a download size at face value. A game that starts at 1.8GB can quietly transform into a 10GB beast after a few generous updates. The ritual is always the same. Delete the old screenshots. Delete the podcast app. Delete the backup photos of a forgotten vacation. Then, with a nervous finger, hit install. 📱
PUBG Mobile is a prime example of a game that pretends to be reasonable. On initial installation, it asks for about 4GB of free storage. That sounds manageable, right? But after seasonal events, new maps, and wacky vehicle skins pile up, the actual footprint becomes much larger. A player who treats it as a casual shooter may soon realize the game has moved into the phone, unpacked its bags, and started charging rent. It is still a must-play for first-person shooter fans who enjoy chaotic matches and absurd cosmetics.
Not every storage goblin is a modern open-world game. Sometimes, the culprit is a colorful anime gacha game. Dragon Ball Z Dokkan Battle can occupy between 8 and 10GB in total. Fans of Goku's energetic battles may hesitate when they see that number. But hesitation vanishes the moment a shiny new LR unit appears. Away go the family videos; in comes the chance to summon. It is a perfectly rational decision, according to the player. 😅
Ni no Kuni: Cross Worlds looks like a Studio Ghibli movie and eats storage like a hungry forest spirit. The iOS page might show a modest 1.8GB at first. After expansions and updates, however, players can expect a demand of around 10GB. The game has a distinct visual style that makes the sacrifice feel almost romantic. Almost.
Even narrative games have joined the storage race. Life is Strange: Before the Storm can take up at least 10GB. Chloe Price's emotional journey requires room for punk rock, questionable decisions, and a healthy amount of teenage drama. Each choice matters, and apparently each choice also consumes a few hundred megabytes. The prequel is shorter to finish at around 13 hours, but the phone will remember the weight.
Then there is Wuthering Waves. Its Apple App Store page lists a download size of 44.8GB. That is not a typo. That is the size of a small console game. It makes sense given the open-world setting, but it does not make the pain any less real. Fans of Genshin Impact will find a similar loop of exploration, gacha pulls, and beautiful combat. They will also find a storage bar that turns red faster than a health bar in a boss fight.
Tower of Fantasy enjoys the same open-world appetite. Set on the planet Aida, the game offers a futuristic RPG world where memory loss is the starting point. The phone, meanwhile, loses its free space. Players who love sci-fi settings will accept the sacrifice. It is a big but worthwhile trade, especially if they have already accepted the size of other gacha RPGs.
Honkai Impact 3rd can consume between 10 and 18GB over time. This is the curse of loving Kiana, Raiden, and Bronya. Updates and events nibble away at storage like a herd of tiny piranhas. Veterans cannot quit because they have too many battlesuits and too much story investment. New players should know that starting is easy, but leaving is nearly impossible.
Not all storage hogs are anime games. XCOM 2 Collection proves that turn-based strategy can also invade a phone. Players get XCOM 2: War of the Chosen plus four DLCs. It is a great deal, but it demands a hefty chunk of free space to avoid installation issues. At least the aliens in 2035 are polite enough to ask for the space before invading, unlike the game itself.
Diablo Immortal takes place between Diablo 2 and Diablo 3, and it eats around 20GB of storage. Tyrael destroyed the Worldstone, Skarn wants to fix it, and the phone wants to cry. The game remains popular despite mixed criticism. Combat and gameplay are solid, but the storage requirement is a demon of its own.
Finally, Honkai: Star Rail may be the most ambitious storage devourer on this list. Some players report numbers above 50GB. That is remarkable for a game with limited exploration areas. HoYoverse games simply do not believe in small file sizes. A player may need to choose between Star Rail and one or two other beloved titles. It is a high-stakes storage decision, and the loser usually gets uninstalled at 2 a.m.
Here is a quick guide for anyone who wants to plan phone storage like a budget:
| 📱 Game | 📥 Initial Download | 💾 Realistic Total |
|---|---|---|
| PUBG Mobile | About 4GB | More after updates |
| Dragon Ball Z Dokkan Battle | Varies | 8–10GB |
| Ni no Kuni: Cross Worlds | Around 1.8GB on iOS | 10GB+ |
| Life is Strange: Before the Storm | Standard app download | At least 10GB |
| Wuthering Waves | Listed around 44.8GB | 44.8GB+ |
| Tower of Fantasy | Standard app download | Open-world hefty |
| Honkai Impact 3rd | Varies | 10–18GB |
| XCOM 2 Collection | One big bundle | Big enough to uninstall apps |
| Diablo Immortal | Varies | Around 20GB |
| Honkai: Star Rail | Varies | 50GB+ |
In 2026, mobile gaming is more impressive than ever, but storage demands are equally unhinged. The best advice is to invest in a phone with plenty of internal storage, embrace cloud backups, and keep a trusted external drive nearby. Or simply accept that the photo gallery will become a casualty of war. The games are fun. The storage is not. 📦