Apollo Games

Occultum 81

RARE Slots Video Slots Fantasy Horror Lucky Mystery Book Gems Magic

Play Occultum 81 slot by Apollo Games for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

Only 0.1% of slots combine Random Reward and Spin The Wheel.

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

92%

return to player

Volatility

Medium/High

variance

Max win

1,620×

top multiplier

Min bet

$0.10

per spin

Reels

81 lines

Player rating

4.2 ★

6 votes

DEMO Play free, no signup

Apollo Games

Embed on your site

4.2 / 5

6 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP3/10

RTP 92% → 3.0/10

Volatility9/10

high → 9.0/10

Win Potential6.4/10

x1620.00 (1620×) → 6.4/10

Features6.5/10

11 features → 6.5/10

Game Mechanics5/10

f=11 r=4 p=81 → 5.0/10

Context signals (tie-breakers)

Layout5/10

4x3 → 5.0/10

Bet Flexibility6/10

0.1–35 (×350) → 6.0/10

Provider Reputation5.1/10

provider avg 5.1 → 5.1/10

Popularity2.5/10

synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 50 — Occultum 81 by Apollo Games

https://slotranker.com/apollo-games/occultum-81#score

How to cite

Spec sheet

Occultum 81 at a glance.

Identity

Slot nameOccultum 81

StudioApollo Games

Released5/16/2020

Math

SlotRanker Score50

RTP92%

VolatilityMedium/High

Max win1,620×

Bet range$0.10 – $35.00

Player rating4.2 / 5 · 6 votes

Format

Reels4

Paylines81

Layout4x3

Features

Themes

Expected average based on this slot's 92% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.20

Cost per session$3.20

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Occultum 81? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Medium-High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium-High). The model is calibrated so the average return equals this slot's published RTP (92.00%), with wins capped at its top multiplier (1,620×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Compare Occultum 81 with other games

	Occultum 81 Score 50This game	Hexbreaker 3 Score 78	Golden Grimoire Score 68	Monsterville Secrets Score 84	The Watcher Score 81
Identity
Studio	Apollo Games	IGT	NetEnt	Ino Games	StakeLogic
Released	5/16/2020	10/20/2020	2/22/2019	10/22/2024	10/28/2024
Math
RTP	92%	96.5%	96.44%	96.04%	96.01%
Volatility	Medium/High	High volatility	Low volatility	Medium/High	High volatility
Max win	1,620×	6,144×	200×	12,500×	9,000×
Format
Reels	4	5	5	5	6
Layout	4x3	5x3	5x4	5x3	6x6
Paylines	81	243	40	243	40
Min bet	0.10	0.80	0.20	0.20	0.20
Max bet	35.00	240.00	400.00	50.00	100.00
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	—	✓	✓	✓	✓
Scatter symbol	—	—	✓	✓	✓
Multiplier	✓	✓	—	✓	✓
Bonus game	—	✓	—	—	—
Respins	—	—	—	—	—

Every number is shown as a delta against Occultum 81.

Comparing against

Occultum 81

Apollo Games

RTP

92%

Max win

1,620×

Score

+ Free Spins+ Bonus Game

+ Free Spins+ Scatter− Multiplier

+ Free Spins+ Scatter

+ Free Spins+ Scatter

Explore More Games with Similar RTP

	Provider	RTP	Volatility	Max win	Score
Buffalo Blitz Cash Collect	Playtech Origins	91.94%	Adjusted	1,000×	50
Gangster's Gold - Royal Riches	Spinomenal	91.97%	—	1,000×	51
Beach Princess Bonanza	Clawbuster	91.98%	—	10,000×	47
Occultum 81	Apollo Games	92%	Medium/High	1,620×	50
Remember Remember	Golden Rock Studios	92%	High volatility	5,544×	63
Thunderstruck II Mega Moolah	Games Global	92.01%	High volatility	8,000×	57
Senor Burrito	Blueprint Gaming	92.02%	Medium volatility	—	57
Juicy Joker Mega Moolah	Just For The Win	92.03%	High volatility	—	57
Archery Kingdom	SpinAnanta	92.04%	High volatility	5,000×	54
Pirates of Fortune	Caleta Gaming	92.05%	High volatility	1,300×	49
Funk Master	NetEnt	92.06%	High volatility	3,337×	66