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Phantom DoctrineVSSumerian Six

Which game gives you more value right now? Every metric, head to head.

Phantom Doctrine

Phantom Doctrine

Quality
73Popularity
29Value
80
KinguinBest price· Kinguin · Key marketplace
Likely ends in 2 days
−92% $3.23
Buy
VS
Sumerian Six

Sumerian Six

ActionStrategyIsometric3DWar +15
Quality
89Popularity
25Value
69
KinguinBest price· Kinguin · Key marketplace
Likely ends in 2 days
−53% $14.18
Buy

Winner

Phantom Doctrine wins 9 of 14 head-to-head metrics.

Worth keeping an eye on. Currently sitting in a decent spot, but not quite a must-buy just yet.

Buy on Kinguin
9
Phantom Doctrine
9 of 14 metrics
Sumerian Six
5 of 14 metrics
5

Head-to-head metrics

Direct metric-by-metric comparison: winner determined by count, no weighting

Value
Pricing & deals
Current Best Price (USD)
$3.23 Wins
$14.18 -
Historical Low Price (USD)
$2.42 Wins
$9.89 -
Best Current Discount
-92% Wins
-53% -
Sales Frequency
186 price changes Wins
90 price changes -
Quality
Critical & user reception
Metacritic
74/100 -
81/100 Wins
Steam Review Score
74% positive -
94.2% positive Wins
Total Steam Reviews
3.8K Wins
1.1K -
Positive Steam Reviews
2.8K Wins
1.0K -
Negative Steam Reviews
995 -
64 Wins
Popularity
Community & activity
Average Concurrent Players (14 days)
28 Wins
13 -
Steam Recommendations
3.8K Wins
1.1K -
Features
Features & content
Achievements
47 Wins
32 -
Supported Languages
8 languages -
10 languages Wins
Release Date
Aug 2018 -
Sep 2024 Wins
GameValio recommendation
MaybePhantom Doctrine

Worth keeping an eye on. Currently sitting in a decent spot, but not quite a must-buy just yet.

MaybeSumerian Six

Not urgent, but worth watching: it's in a reasonable spot without being an obvious must-buy.

Statistics over time

Side-by-side historical trends: same time range, same scale

Time range:
Phantom Doctrine
Sumerian Six

Player count trends

· Concurrent players over time

Review score trends

· Positive review ratio over time

Review volume trends

— Total reviews accumulated over time

Price comparison

Current deals and best prices side by side

Phantom Doctrine

Phantom Doctrine

4 Stores
Kinguin
Kinguin −92% $3.23Buy
GAMIVO
GAMIVO +4% $3.37View
GamersGate
GamersGate$39.99View
Steam
Steam$39.99View
Sumerian Six

Sumerian Six

2 Stores
Kinguin
Kinguin −53% $14.18Buy
Steam
Steam +111% $29.99View

Phantom Doctrine

Quality

Most players came away satisfied: more positives than negatives.

74% positive (3,821 reviews): mostly positive
Metacritic 74/100: generally favorable from critics
3,821 reviews: solid data foundation

Value

Price is reasonable for what the game offers.

$3.23: very accessible price
92% off: deep discount
Historical low: $2.42: room for better deals

Popularity

Declining player base: could be a problem for multiplayer-dependent games.

Players down 20% in recent days
28 concurrent players: niche audience

Sumerian Six

Quality

Excellent community reception: players and critics agree on the quality.

94% positive (1,110 reviews): very positive reception
Metacritic 81/100: high marks from professional reviewers
1,110 reviews: solid data foundation

Value

Acceptable value right now: fair price for the content.

$14.18: reasonable price
53% off: solid discount
Historical low: $9.89: room for better deals

Popularity

Lost much of its active player base: community is quiet.

Players down 45% in recent days
11 concurrent players: niche audience
Game detailsPhantom DoctrineSumerian Six
Release date
August 14, 2018
September 2, 2024
Developers
CreativeForge Games
Artificer
Publishers
Good Shepherd Entertainment
Devolver Digital
Platforms
Windows
Windows
Achievements
47
32

Phantom Doctrine

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10
  • Processor: Intel Core i5-4670K / AMD FX-8320 or equivalent
  • Memory: 16 GB RAM
  • Graphics: GeForce GTX 960 / Radeon R9 290X
  • Additional Notes: Online connection required for Multiplayer

Sumerian Six

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 11 x64 Bit
  • Processor: Intel Core i7-6950X / AMD Ryzen 5 1500X
  • Memory: 8 GB RAM
  • Graphics: GeForce GTX 1080 / Radeon RX 5700 XT
  • DirectX: Version 12
  • Storage: 20 GB available space
  • Additional Notes: High Quality setting, in 1080p, producing 40 FPS
Which is better: Phantom Doctrine or Sumerian Six?

Phantom Doctrine won the comparison against Sumerian Six based on the head-to-head metric breakdown. Check the metrics table above for a full side-by-side analysis.

How is the comparison calculated?

The comparison winner is determined objectively by counting which game wins more individual metrics in the head-to-head table. No weighting is applied. The GameValio Recommendation shown separately is our own suggestion for each game, based on a weighted score that combines quality (reviews), popularity (player counts), and affordability (price vs value) into a score out of 100. These are two different things: the comparison is objective, the recommendation is GameValio's opinion.

Is Phantom Doctrine worth buying over Sumerian Six?

Based on the metrics, Phantom Doctrine won the direct comparison. However, also check the GameValio Recommendation for each game and the price comparison table to make the most informed purchase decision.

Which game has better player reviews?

Review score trends and volume over time are shown in the charts section above. The game with consistently higher positive ratios has stronger community reception.

Which game offers better value for money?

The affordability score and price comparison table above highlight the best deals. Phantom Doctrine currently scores better on value relative to its quality and price.

Analysis updated: Oct 13, 2026, 06:31 AM UTC

Data sourced from Steam, Metacritic, and various stores. Not affiliated with Valve Corporation. Scores updated daily to keep recommendations fresh.

Some store links are affiliate links: we may earn a commission at no extra cost to you. Stores can’t pay for a better score or recommendation. How we make money