E vs Reactor Shift
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
E
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Build up your network of emergency services, then dispatch what is requested to the citizens in need! Merge police, fire and healthcare workers to make bigger and better vehicles. Build up your network to deal with bigger problems, and keep the money rolling in. Expand your complex to make room for enhanced hospitals, fire stations and police headquarters. Only YOU can save your city from total disaster! JOIN THE FULL FAT COMMUNITY Like: http://facebook.com/fullfatgames
Reactor Shift
A neon arcade puzzle game where players aim energy orbs to break targets and reactor cores. Utilize strategic bounces, special power-ups, and unlockable orb types to clear challenging levels. It offers simple controls with deep strategic gameplay.
- Physics-based aiming with bounce path preview
- Break targets and reactor cores
- Utilize bombs, lasers, and freeze modules
- Unlock new orb types and cannon styles
- Collect energy cells and timed gifts
- Replay levels for strategy improvement
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FREE TO PLAY! Shoot, Shoot, Shoot! Reactor Shift is a fast, satisfying reactor-battle game where every shot can trigger a massive chain reaction. Aim your energy volley, break through charged blocks, and watch the arena erupt as balls ricochet through targets, power nodes, and explosive cores. Build longer combos, earn tactical rewards, and use your upgrades at the perfect moment to keep the reaction alive. Features: • Fire multi-ball volleys and create huge chain reactions • Face Leviathan boss encounters every 5 levels • Target boss cores while they move, deploy shields, and call in reinforcements • Unlock powerful tools including Orb, Freeze, Laser, Bomb, Reset, Aim, and Rebound • Activate Rebound Bands to send falling balls back into the arena for extended combos • Earn score multipliers and extra tactical rewards for high-impact volleys • Revive after a loss to gain extra shots and push the reactor field back • Progress from quick early stages to demanding late-game reactor battles • Enjoy neon sci-fi visuals, impact effects, particle bursts, and reactive sound Every level is a new puzzle. Find the angle, choose the right power, and turn one precise shot into a reactor-breaking cascade. Can you survive the shift?
Screenshots
Verdict
The clearest difference is update cadence: Reactor Shift at fortnightly against E's every 16 months. E's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
E ships an update every 16 months, Reactor Shift fortnightly. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.
| Parameter | E | Reactor Shift |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 16 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 223 MB | 249 MB |
| Age rating | 12+ | 4+ |
| Developer | Full Fat Productions Ltd | Ariadna Campos |
In-app purchases
E
No in-app purchases
Reactor Shift
No in-app purchases









