PixelDen now tests the balance of its free browser games with computer players that play each game thousands of times. This round fixed levels that could not be finished, scores the leaderboard wrongly refused, runs that froze, and achievements that were either automatic or impossible. Every new game will go through the same test before it launches.
Key Takeaways
- 26 games were played thousands of times by two computer players: a skilled expert and a newcomer who only knows what a first-time player sees on screen.
- Loco Run levels 6 to 10 can be finished again. Before, our best computer player cleared all ten levels in fewer than 1 run in 300; now it does in about 1 in 4.
- Good runs in Dead Man's Hand, Spire Tycoon and Frost Hold now reach the leaderboard instead of being refused.
- Freezes are gone from Arcane Spires, Cue Rush, Titan Siege and Mau-Mau.
- Achievements in Frost Hold, Cue Rush and Loco Run were re-tiered, so Rare and Epic badges mean something again.
Why we let computer players test our games
A game can feel fine in ten test sessions and still be broken for one player in fifty. To find those cases, we gave 26 of our games two computer players. The expert plays like a regular who knows every trick. The newcomer plays like someone on their first visit: it only knows what is shown on screen, makes mistakes and takes the obvious route.
Each game was played thousands of times, with a different starting layout, deck or map in every run. We then looked for the things players hate most: a level nobody can finish, a first opponent that crushes beginners, a run that freezes, a score the leaderboard throws away, and an achievement that is either automatic or impossible.
When the numbers showed a clear problem, we changed a number in the game: a wall count, a timer, a threshold. We did not redesign anything. Every game still plays the way you know it.
Levels that are now fair to finish
Loco Run got the biggest fix. From level 6 on, most track layouts had so many walls that Loco could not collect every treasure and reach the exit at all. We lowered the wall density on levels 6 to 10. The late levels are still the hardest in the game, but now they get harder step by step and the "All Aboard!" achievement is reachable.
Terra Claim sells its first opponent, The Page, as an easy first conquest. In our tests, a beginner lost 8 of 10 matches against it. The Page now blocks you far less often, and a beginner wins about one match in three. The Knight, the Marshal and the Archon play exactly as before.
In Shadow Heist, the elite guard in the servant wing started one step below your spawn point, so holding Down at the start got you caught in a fraction of a second. The guard now starts at the far end of the same patrol. Three doorways that opened onto a solid wall are now plain wall, so they no longer look like an exit.
In Glyph Depths, floor 1 was the deadliest floor in the dungeon, mostly because of snake poison. Poison now lasts 2 turns instead of 4. A snake is still worth respecting, but half as many first runs end on the first floor.
Racing games that reward driving
In Pixel Kart, the checkpoints on all three tracks stopped a little short of the outer barrier. Drive a bit wide through a corner and your lap did not count, so you had to drive a whole extra lap. The checkpoints now reach the barrier on every track, and Glacier Pass got its finish line extended over the kerb.
In Pixel Racer, rain used to decide the race on its own: our expert won almost every dry race and almost no wet ones. Rain is now less slippery. It still costs you around three seconds a race, but a good driver can win in any weather.
Strategy and card games that play fair
Four Fall has a smarter computer. The Medium and Hard levels sometimes picked a move they had already worked out was bad, now and then walking straight into a forced loss. That mistake is fixed, so Hard now feels clearly harder than Medium.
In Harvest Hollow, tomatoes are sold as a crop that regrows, but in a six-day season the second harvest never came. Tomatoes now regrow in one day. The top two town tiers also needed more coins than any player in our tests ever earned in a season. They now need 2,500 and 2,800 coins, so the "Town Favorite" and "Harvest Baron" badges can actually be earned.
Arcane Spires had a rare freeze: playing a "play again" card as the last card in your hand left the duel stuck. That card now ends your turn, and no duel freezes.
Scores that count, fixes you will feel
Some leaderboard rules were stricter than the games themselves. In Dead Man's Hand, a winning run was refused unless you spent about six seconds on every hand, so quick players lost their best scores. In Spire Tycoon, the score limit was lower than what a well-built tower earns. In Frost Hold, a strong build can survive for an hour or more, and scores above 500,000 were refused. All three now accept every honest run.
We also fixed several bugs the computer players ran into:
- Titan Siege: a hit on an armoured tank could make it invisible while it kept attacking, and the reactor shield could make the reactor impossible to hit. The shield now blocks exactly one hit, as its card says.
- Cue Rush: a shot right after clearing a table could freeze the run, and the cue ball stayed invisible after a scratch.
- Dead Man's Hand: choosing Ride On after Gallows End no longer crashes.
- Mau-Mau: Play again starts a new round you can actually play.
- Crystal TD: towers fired a little slower at 2× and 4× speed. Every speed now plays the same.
Achievements that mean something
A Rare badge should take effort, and an Epic badge should be something to brag about. Our tests showed some badges that nearly everyone earned on the first run, and some that nobody could earn at all.
- Frost Hold: Massacre now needs 1,000 kills instead of 200, and Unstoppable needs 45 waves instead of 50.
- Cue Rush: Hustler (clear 2 tables) is now Epic. Pool Shark asked for a third table that no run ever reached; it now asks for 8 scoring shots in a row.
- Loco Run: Speed Demon now needs 15,000 points, and Hoarder needs 60 items in one run.
Titles and XP you have already earned stay yours. The achievements page now shows your progress toward the new goals.
Frequently Asked Questions
Are PixelDen games still free?
Yes. Every game on PixelDen is free to play in your browser, with no download. The balance changes simply make the games fairer and the leaderboards more honest.
Did you change how the games play?
No. We only changed numbers where the tests showed a clear problem, such as too many walls in Loco Run or a guard standing on your spawn point in Shadow Heist. The rules, controls and art stay the same.
Will my old scores and titles stay?
Yes. Your scores, saved games, titles and XP are untouched. The achievements page measures the re-tiered badges against their new goals, and runs that the leaderboard used to refuse by mistake count from today.
Which games were tested?
26 games so far, including Loco Run, Frost Hold, Crystal TD, Titan Siege, Pixel Kart, Pixel Racer, Terra Claim, Shadow Heist and Glyph Depths. Every new PixelDen game will be tested the same way before it launches.
How can I tell you about a game that feels unfair?
Use the feedback button on the site. Our computer players find a lot, but they do not get bored, frustrated or surprised the way you do, so player reports still matter most.
Play the fairer versions now
The fixes are live. Try the reworked late levels of Loco Run, take on the friendlier first conquest in Terra Claim, or chase a run that finally counts in Frost Hold. Or browse all our free browser games and find a new favourite.