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NoLimit City · Slot Review

Kill Em All — Full Review & Free Demo

4.1/5
Play for Real →
RTP
96.06%
Volatility
N/A
Max Win
11,916x
Provider
Reels
N/A
Paylines
1
Bet Range ($,€,£)
0.20 - 100
Rating
4.1/5
Released
May 2025

Kill Em All Slot Overview

Kill Em All is an experimental release from Nolimit City's LABS sub-brand, built on a stripped-back 3x1 grid that looks deceptively simple. Rather than spinning for traditional payline wins, I found myself fighting through queues of monsters using weapon symbols, looting treasure chests, and stacking persistent upgrades across an extended session. Described by the studio as a "Treasure Hunt in the Underworld," this is closer to a dungeon-crawling mini-game than a conventional slot.

Bets range from 0.20 to 100 per round. With high volatility rated 8 out of 10, a 96.06% RTP at the top setting, and a hit frequency of just 16.74%, rounds can feel sparse until weapon symbols start landing. Four alternative RTP versions exist (down to 84.08%), so checking the paytable before committing real money is essential. Maximum win potential sits at 11,916x the bet, labelled Total Annihilation.

Weapons, Monsters and Chest Payouts

Four colour-coded weapons form the symbol set. Blue delivers 1 hit, green 2, yellow 3, and red 4. Each hit reduces a monster's life by one heart. Any weapon can randomly land a critical hit, removing 3 lives at once. Shield (X) symbols do nothing and award no respin, which means dead spins happen frequently during dry stretches.

Monsters line up in a visible queue above the reels. Regular creatures appear between bosses, who occupy the 4th, 8th, and 12th positions. Killing any monster awards one or more treasure chests. Brown chests pay 0.25x to 15x, blue 2x to 50x, green 5x to 200x, and gold/red chests pay 25x to 1,000x the bet. Beyond raw payouts, chests may also contain features like multipliers up to 5x, extra respins, scatter collection, chest upgrades, double chests, shrink potions, or a silver sword paying 1-15x per hit.

What stands out here is the progression system. Defeating a boss triggers a Level Up feature that persists for the rest of the round. Up to 3 can be active simultaneously, including sticky multipliers (2-5x), extra chests, weapon upgrades, chest upgrades, a golden sword, or the "Attack, Attack, Attack!!" modifier. These stack meaningfully and are what drive the bigger payouts.

Symbol Payouts

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Bonus Rounds and Buy Options

Landing 3 Scatters triggers Dungeon Smackdown Spins with 5 free rounds. All base game progression carries over, and every weapon landing adds an extra spin. Replace one Scatter with a Super Scatter, and you unlock Dungeon Domination Spins instead, which plays identically but raises the Level Up feature cap from 3 to 4. Both bonuses trigger roughly once every 273 spins on average.

The Nolimit Booster panel is extensive. Smaller boosters start at 2.2x for a guaranteed Scatter in your inventory, 4x for a Super Scatter, 15x for a Boss Fight with 1 life, and 70x for the highest value chest on every kill. Direct bonus buys cost 90x for Dungeon Smackdown Spins, 200x for Dungeon Domination Spins, and 145x for a 50/50 lucky draw between them. God Mode at 2,500x the bet places you against the final boss with 9 lives in a single spin. God Mode Nightmare at 800x gives 5 spins against the same boss but disables respins. A 1,650x lucky draw splits the difference. These are not available in the UK.

Bonus Buy Options

Bonus Buy Hack & Slash
Hack & Slash
Core mechanic on a 3x1 grid. Every non-X symbol triggers a respin. Landing 3 non-X symbols on one spin awards 5 respins. Weapon symbols hit monsters, reducing their lives by their hit value.
Bonus Buy Chest Features
Chest Features
Killed monsters award chests containing payouts and possible features: Multiplier (2-5x), Respin/Free Spin (+2), Scatter & Super Scatter collection, Chest Upgrade, Double Chests, Shrink Potion (next monster life set to 1), and Silver Sword (1-15x per hit).
Bonus Buy Level Up Features
Level Up Features
Awarded by defeating boss monsters (4th, 8th, 12th in queue). Persistent throughout round. Up to 3 active at once (4 in Dungeon Domination). Includes Sticky Multiplier (2-5x), Extra Chests, Weapon Upgrade, Chest Upgrade, Golden Sword (1-15x per hit), and Attack Attack Attack.
Bonus Buy Dungeon Smackdown Spins
Dungeon Smackdown Spins
Triggered by landing 3 Scatters. Awards 5 free spins with all base game progression carried over. Each weapon symbol landing grants an extra free spin.
Feature Cost: 90x (Bonus Buy)RTP: 96.14%
Bonus Buy Dungeon Domination Spins
Dungeon Domination Spins
Triggered by landing 2 Scatters plus 1 Super Scatter. Awards 5 free spins with base game progression carried over. Allows up to 4 Level Up features instead of 3.
Feature Cost: 200x (Bonus Buy)RTP: 96.06%
Bonus Buy God Mode
God Mode
Guaranteed spin beginning with the last monster, which always has 9 lives. Highest risk, highest reward Bonus Buy option.
Feature Cost: 2,500xRTP: 96.10%
Bonus Buy God Mode Nightmare
God Mode Nightmare
Awards 5 spins beginning with the last monster (9 lives), but respins do not trigger during this feature.
Feature Cost: 800xRTP: 96.21%
Bonus Buy Bonus Symbol (Nolimit Booster)
Bonus Symbol (Nolimit Booster)
Guarantees a Scatter symbol in the bonus inventory.
Feature Cost: 2.2xRTP: 96.07%
Bonus Buy Super Bonus Symbol (Nolimit Booster)
Super Bonus Symbol (Nolimit Booster)
Guarantees a Super Scatter symbol in the bonus inventory.
Feature Cost: 4xRTP: 96.12%
Bonus Buy Boss Fight (Nolimit Booster)
Boss Fight (Nolimit Booster)
Guarantees a spin that begins with the 1st boss monster with only 1 life.
Feature Cost: 15xRTP: 96.07%
Bonus Buy Boosted Chest (Nolimit Booster)
Boosted Chest (Nolimit Booster)
Guarantees the highest value chest is awarded each time a monster is killed.
Feature Cost: 70xRTP: 96.08%
Bonus Buy Extra Spin
Extra Spin
Optional purchase at end of a round. Cost calculated based on monsters killed. Keeps all progression and Level Up features from the previous spin.
Feature Cost: Variable
Bonus Buy Total Annihilation
Total Annihilation
Maximum payout of 11,916x the bet. Achieved when total win exceeds this amount or by killing the last monster.

Design and Theme

Visually, Kill Em All mixes cartoon-style dungeon art with mildly grotesque monster designs. Your first opponent is Bob, a wobbly jelly creature about as threatening as a bath toy. Later bosses like Gregg look considerably meaner. The design choice to keep the reels tiny and push the action into the monster encounters above the grid is unusual, and I suspect it will divide opinion. Compared to the studio's previous work on psycho-horror titles, this leans lighter and more playful.

Audio pairs an intense, techno-flavoured soundtrack with punchy combat effects. Sound design contributes more to the atmosphere than the visuals do, especially when chests crack open or critical hits land. For the best experience, a larger screen is preferable; the 3x1 grid feels cramped on smaller mobile devices, even though HTML5 compatibility covers iOS and Android without issues.

💬 What Players Say
Divisive among players; praised for originality and depth but criticised for a steep learning curve and addictive pacing. Max win reportedly already achieved multiple times. Based on 5 reviews.
Ryan Cole’s Verdict

Verdict

Kill Em All is genuinely unlike anything else in the Nolimit City catalogue. I found the initial rules overwhelming; there is a mountain of text in the paytable covering monsters, chests, level-ups, boosters, and multiple bonus buy tiers. After a couple of dozen demo spins, though, the flow clicks. Slay monsters, loot chests, stack upgrades, reach the final boss. Simple goal, complicated path.

Not everyone will enjoy this format. Players who prefer traditional reel layouts or quick-read mechanics will find it confusing, and the base game can drag when shields dominate the grid. But for gamblers who want something genuinely experimental, with deep progression and a credible 11,916x ceiling that has already been hit multiple times according to the studio, Kill Em All delivers a distinct experience. The max win probability of 1 in 350,000 spins is a reasonable trade-off for a game of this volatility. A polarising release, but a bold one.
4.1
★★★★☆
out of 5
✓ Pros
Deeply original hack-and-slash progression system
Four chest tiers with payouts up to 1,000x
Persistent Level Up features carry through rounds
Extensive Nolimit Booster and Bonus Buy options
Max win already hit multiple times per studio
✗ Cons
Steep learning curve with many layered rules
Base game can feel slow without weapon lands
High volatility not suited to cautious bankrolls
Adjustable RTP versions require checking paytable
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
View All Reviews →
Kill Em All FAQ
How does the Hack & Slash mechanic work on the 3x1 grid?
Every non-X symbol landing on the 3x1 grid triggers a respin. If all 3 positions show non-X symbols on the same spin, 5 respins are awarded. Weapon symbols hit the current monster, reducing its life by their hit value (1 to 4 depending on colour).
What triggers Dungeon Smackdown Spins and Dungeon Domination Spins?
Landing 3 Scatters in the base game triggers Dungeon Smackdown Spins with 5 free rounds. Landing 2 Scatters plus 1 Super Scatter triggers Dungeon Domination Spins instead, also with 5 free rounds but allowing up to 4 Level Up features. Both bonus modes trigger approximately once every 273 spins.
How do Level Up features work and how many can be active?
Level Up features are awarded by killing boss monsters at positions 4, 8, and 12 in the queue. They persist for the entire round. Up to 3 can be active at once in the base game and Dungeon Smackdown Spins; this cap rises to 4 during Dungeon Domination Spins. Only 2 of the same type can stack simultaneously.
What is the difference between God Mode and God Mode Nightmare?
God Mode costs 2,500x the bet and gives you a single spin starting against the final boss with 9 lives. God Mode Nightmare costs 800x and awards 5 spins against the same final boss with 9 lives, but respins are completely disabled. A 50/50 lucky draw between the two costs 1,650x.
How is the 11,916x Total Annihilation max win achieved?
Total Annihilation is reached either when your cumulative win exceeds 11,916x the bet during a round, or by killing the very last monster in the queue. The probability of hitting this maximum is approximately 1 in 350,000 spins at the 96.06% RTP setting.