From EQ2i, the EverQuest II wiki

EverQuest 2 Spell Information

Sneak Attack Ranger An attack made from the side that deals moderate damage and stealths the ranger. Target Enemy Power 6 Casting 0.5 seconds Recast 10.0 seconds Duration 0.1 seconds Range Up to 10.0 meters Hit Bonus 50% Easier Level 5 Effects Applies Shroud on termination. Lasts for 36.0 seconds. Grants stealth to caster Suspends caster's movement speed enhancements Inflicts (X) melee damage on target Must be flanking or behind

Sneak Attack Spell Line I II III IV V VI 5 19 33 47 61 74

Gray cells correspond to unavailable ranks of the spell. Effect values for this spell are modified by the player's Strength.

From The Vault

A Sneak Attack Critical occurs in Fallout 3 when attacking while [HIDDEN]. Successfully hitting the target will result in a guaranteed critical-strike.

Notes

• As long as a green [HIDDEN] message is on the screen, any shot fired, in real time or in V.A.T.S., will result in a critical hit. Free-hand shots will result in criticals as well, which is especially useful with low-spread weapons like the Sniper Rifle or Scoped .44 Magnum when targets are too far away to get a good percentage in V.A.T.S.

• Even if the message states [CAUTION], or anything for that matter, you will score a sneak attack critical as long as you are hidden to your target. This even applies when they are engaged in combat with your companions.

• CRIT DMG: Is the amount of damage that is added when you score a critical strike. The more specialized Sneak Attack Critical deals two times the total damage you would deal with a critical strike. Example: If a Lincoln's Repeater would deal 100 damage in a critical(50 regular DMG, +50 of the critical DMG), in a sneak attack critical it would deal 200 DMG. This final 200 DMG considers an opponent with no DR.

(Loud) Silent Kills

• It is possible to kill an enemy without alerting those around them if the "sneak" critical is also a one-hit-kill, even with loud weapons like the Assault Rifle. Additional attacks after the first, queued in V.A.T.S., will not be treated as sneak attacks and will reveal the player's location to the target and possibly other enemies, presumably because the target then alerts their friends. This can happen with all weapons except silent weapons like the 10mm Silenced Pistol, Dart Gun, Perforator, or Infiltrator which have reduced chance to alert opponents.
• One of the best weapons suggested for this kind of situation is the Victory Rifle. Because the hit was a critical, the opponent will be knocked down and immobilized for a few seconds, giving you a chance to quickly deliver a few headshots or follow up with something powerful then hide until the others stop searching.

(Silent) Silent Kills

• It has been reported that all melee attacks are considered silent. However one should note the intimate proximity the player needs to be in to deliver a melee attack, the transition to [CAUTION] almost instantly proceeds to [DANGER] as the opponent is programmed to turn around and start moving in the direction of where the attack came from, looking for the enemy in [CAUTION] mode. The instant the enemy spots the player, it goes directly into [DANGER] mode which alerts all nearby creatures, even its own enemies. Occasionally, this will result in the enemy that spotted the player being attacked by another that was formerly unaware of the first enemy's presence.

• Still, it is possible to get in 2-3 melee attacks without alerting the whole room. If the player sneaks up in back of one of the more lumbering creatures, it is possible it will not turn around fast enough. Note: It will take a Stealth Boy, Chinese Stealth Armor or the Silent Running perk with maxed skill to get that close.

• This is quite unlike sneak attacks with a Dart Gun, with which a player can dart an enemy three times in one use of V.A.T.S. and then just sit still, hiding in the dark a good distance away, only under a temporary [CAUTION] while the enemy searches (slowly, with crippled legs) and then hopefully drops dead from poison, its death setting the player's status back to [HIDDEN]. Note: Enemies shot with a silent weapon still have some clue as to what direction the shot came from, and will search for the player.
• The behavior of enemies seems to follow this pattern: if a noise is heard (e.g. dart impacting a wall), he/she/it will run to that location, patrol briefly then go back to [HIDDEN]. If the enemy is hit directly, he/she/it runs to the attacker's location and briefly patrol the general area unless the location is quite a bit away, in which case he/she/it will go for a short jog in that direction then return to [HIDDEN]. There is only one exception to the noise-rule: if it is made by an approaching grenade, the enemy will be alerted unless VATS is engaged, in which case the enemy in question will scream about the grenade but it WILL count as a sneak attack. Sometimes, enemies remain in [CAUTION] for quite long even if the offender vacates the area.

Sneak Criticals & Slow projectiles

Certain weapons, like the Microwave Emitter, have relatively slow projectiles. Outside of V.A.T.S. this may sometimes cause an enemy to detect your presence before the shot reaches him, nullifying the Sneak Attack Critical bonus. For that reason, make sure you are close to your foe before trying to Sneak Attack Critical him, if you are using these weapons.

Choice Weapons

The best weapons for sneak attacks are the ones with the highest critical damage bonus (affected by +50% damage Better Criticals perk). Here's a number of weapons with big bonuses. The number marked in bold is the critical damage when the Better Criticals perk is taken.

• Alien Blaster +100/150 (+120/180'')^
• A3-21's Plasma Rifle +50/75
• Blackhawk +45/67.5
• Firelance +80/120 (+120/96/144)^ (+180/144/216)"
• Gauss Rifle +50/75
• Hunting Rifle +25/37.5
• Lincoln's Repeater +50/75
• Microwave Emitter +100/150
• Plasma Rifle +44/66
• Scoped .44 Magnum +35/52.5
• Sniper Rifle +40/60
• The Terrible Shotgun +40/60 (+360/540)

^ Damage calculated with Xenotech Expert

" Damage calculated with the perks Pyromaniac/Xenotech Expert/Both

Damage calculated if the weapon is fired outside of V.A.T.S., and all pellets make contact. (See below).

Sneak Attack Targeting in VATS

For most creatures in the game, a sneak attack headshot, along with the Better Criticals perk, can be an instant one-shot kill on Normal difficulty or lower. (Even the low-damage Dart Gun can kill Raiders with one sneak attack headshot ) In some cases, however, it may not be possible to line up a headshot on a target, due to target facing or an obstructed line of fire.

In these cases, even a sneak attack critical on an arm or leg can prove fatal to the target. Though results may vary based on the character's skills and perks, it is possible to shoot off a target's limb -- an instant kill -- with one shot from a Sniper Rifle. This may be a worthwhile consideration when chances to hit an appendage are significantly higher than head or torso shots.

Multi-Shot Weapons

Weapons that fire several "shots" at the same time, such as Combat Shotguns (and The Terrible Shotgun), Metal Blaster (from The Pitt), and the Tri-Beam Laser Rifle (from Broken Steel) are one of the most effective weapons for sneak attacks (when done outside of V.A.T.S.). This is because outside of V.A.T.S., each shot's critical damage is calculated individually. This aspect makes these weapons (especially The Terrible Shotgun, which deals huge damage and fires 9 pellets) incredibly effective in sneak attacks (and regular critical hits). With the right addition of perks, such as Better Criticals and Finesse, these weapons will deal massive damage.

Example:

The Terrible Shotgun is one of the most powerful weapons in the game. While in perfect condition, and with a Small Guns skill of 100, the weapon deals 80 damage, and an extra 40 damage for critical hits. However, this weapon fires 9 pellets. Because of this, when the weapon is fired outside of V.A.T.S. and scores a critical hit, the critical hit for each pellet is counted individually. This means that (if all pellets make contact), the weapon will deal 440 damage (80 base damage, plus 9 extra 40 critical damages). In Sneak Mode, this damage is doubled, increasing it to 880 points of damage. And if the player has the Better Criticals perk, the damage will increase to 1240. If the player further increases the damage via a Headshot , then that damage doubles again to 2480, enough to one-shot a Super Mutant Behemoth!

From Final Fantasy Wiki

Sneak Attack in Final Fantasy VII, with its mistranslation.

Sneak Attack is a recurring support ability in the series, allowing the equipped character to get the first attack of the fight.

Appearances

Final Fantasy VII

The Sneak Attack materia grants this ability, and increases the likelihood of attacking first with the paired materia by 20% each level up.

Final Fantasy XI

Sneak Attack is an ability available to the Thief Job starting at level 15 in Final Fantasy XI. This ability is usable once every minute. When used, it will create a status effect that signifies the next attack the Thief makes will be a sneak attack. A sneak attack is generally performed with a melee weapon while the Thief is directly behind an enemy. It allows the Thief to deal critical damage. This damage is modified by, not only the player's Strength, but also the player's Dexterity but only while the player has Thief as his main Job. Dexterity is not part of the equation when Thief is used as a subjob.

Sneak attack can be and is quite often used with the level 30 Thief Job Ability Trick Attack. This attack is generally abbreviated SATA by players and the strategy for using this in a party can be referenced by reading about under First Provoke.

Dissidia Final Fantasy

Sneak Attack is a special ability that any character of level 43 or higher can use, and increases critical hit rate when attacking an opponent from behind.

From GuildWiki

Sneak Attack
Campaign: Eye of the North Profession: None Attribute: Ebon Vanguard Title Track Type: Melee Attack
5     5

Full: If this attack hits, target foe is Blinded for 5...7 seconds. This attack counts as a lead attack.

Concise: Inflicts Blindness (5...7 seconds). Counts as a lead attack.

Acquisition

Skill quests:

• Plan A (Captain Langmar in Grothmar Wardowns)

Notes

• Even without substantial progression in the Ebon Vanguard Title Track, this skill can be extremely useful for any melee-based build in PvE due to the fact that it has a low energy cost, moderate blindness duration and a moderate recharge time.

Related articles

• Ebon Vanguard skills quick reference
• Inflict blind skills quick reference
• Assassin attack chain quick reference

From Yu-Gi-Oh Card Maker Wiki

Sneak Attack
	English:	Sneak Attack
	Attribute:	Spell Cards
	Property:	Quick-Play
	Card Lore:	Activate this if your opponent had set a face-down Spell or Trap Card. Take that card and use it as it was your own.
	Sets with this Card:	PKMS EN021
	Card Limit:	Unlimited
	Other Card Information:	Gallery - Rulings Appearances Tips - Errata - Trivia Lores - Artworks - Names