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Ambient occlusion - how use

  Ambient occlusion (AO) is a shading technique that darkens creases, corners, and contact points to add depth and realism; it began appearing in real‑time games around 2007 and today ranges from cheap SSAO to high‑quality ray‑traced AO — you can safely turn it off in many 4K scenarios to reclaim GPU performance with little perceived loss when other lighting tech (like DLSS and GI) is active. Quick guide — key decisions before you toggle AO Performance vs fidelity: Do you need maximum frame rate at native 4K, or the last bit of visual polish? Type of AO: SSAO/HBAO are cheaper; ray‑traced AO is expensive but more accurate. Other tech in use: If you use DLSS or path tracing, AO’s visual contribution may be redundant. Answering those helps decide whether to keep AO on or off. What ambient occlusion is Ambient occlusion simulates how much ambient (indirect) light reaches a surface by darkening areas where geometry blocks light, producing soft, contact shadows that make scenes feel ...

Teenage Mutant Ninja Turtles IV: Turtles in Time – A Retro Revival

 


Release and Legacy

Teenage Mutant Ninja Turtles IV: Turtles in Time launched on the Super Nintendo Entertainment System in 1992. In Japan it arrived on July 24, in North America during August, and in Europe on November 19 of that year. The game built on its 1991 arcade predecessor, Turtles in Time, and continued the SNES numbering from previous Konami TMNT titles.

Copies Sold and Popularity

Exact SNES unit‐sales figures for Turtles in Time have never been publicly disclosed. However, its arcade parent became Konami’s best‐selling cabinet game upon release, cementing the brand’s status in the early ’90s beat ’em up scene. Over time, the SNES port has maintained a strong presence on retro “best‐of” lists, holding an average GameRankings score of 83% across seven reviews.


Story

The game kicks off during a live newscast at Liberty Island, where Krang—piloting a giant mech—hijacks the broadcast and snatches the Statue of Liberty right off its pedestal. As April O’Neil reels in horror, Shredder interrupts the signal to taunt the Teenage Mutant Ninja Turtles. The heroes pursue Foot Soldiers through the streets and into the sewers, only to be flung through a time warp. They must battle foes across prehistoric, medieval, futuristic and other eras before confronting Super Shredder and restoring the timeline.

Graphics and Presentation

  • Detailed, hand‐drawn sprites faithfully reproduce the look of the 1987 animated series.

  • The SNES port makes strategic use of Mode 7 in “Neon Night Riders,” transforming a flat brawler stage into a pseudo-3D hoverboard chase.

  • While some arcade‐exclusive animations and voice clips were trimmed, the SNES version compensates with crisp backgrounds, vibrant color palettes and a rearranged soundtrack that blends the cartoon theme with new instrumentals.


Gameplay Mechanics

Turtles in Time refines the side-scrolling beat ’em up formula with:

  • Four distinct heroes:

    • Leonardo (well-rounded swordsman)

    • Donatello (long-reach staff specialist)

    • Raphael (fast but lower defense)

    • Michelangelo (slow, high-damage nunchaku)

  • Simple two-button scheme (attack/jump) plus directional running.

  • Special attacks that cost a sliver of health but deal massive area damage.

  • “Power slam” moves and the ability to hurl Foot Soldiers into the foreground for bonus points.

  • Unlockable Versus and Time Trial modes that extend replayability beyond the main campaign.


Why It’s Worth Playing Today

Teenage Mutant Ninja Turtles IV: Turtles in Time stands out as one of the SNES’s best beat ’em ups:

  • It nails the look, sound and humor of the original TV series while delivering tight, responsive combat.

  • The rotating cast of historical and futuristic stages keeps the action fresh—and the Mode 7 sequences still dazzle after three decades.

  • Cooperative two-player brawling turns every playthrough into a party highlight.

  • Even modern retrospectives praise its blend of nostalgia and solid design: “one of my favorites in the genre”, with “high replay value” thanks to unlockable modes and character differences.

If you crave classic arcade-style beat ’em up action on your SNES or modern retro-compilation, Turtles in Time remains the ultimate heroes-in-a-half-shell experience.

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